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      "text" : "An update for grafana is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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      "text" : "Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. \n\nSecurity Fix(es):\n\n* golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\n\n* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass (CVE-2026-27136)\n\n* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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      "category" : "default_component_of",
      "full_product_name" : {
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  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-25681",
    "cwe" : {
      "id" : "CWE-79",
      "name" : "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    },
    "discovery_date" : "2026-05-22T16:01:08.177603+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2480761"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution in applications that use the affected component.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This Important vulnerability in `golang.org/x/net/html` could enable remote attackers to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution. The flaw allows specially crafted HTML to bypass input sanitization during parsing and rendering. Red Hat products are affected if they process untrusted HTML content using the vulnerable component without additional output encoding or robust content security policies.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
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      "category" : "external",
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      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-25681"
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      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25681",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25681"
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      "category" : "external",
      "summary" : "https://go.dev/cl/781703",
      "url" : "https://go.dev/cl/781703"
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      "category" : "external",
      "summary" : "https://go.dev/issue/79574",
      "url" : "https://go.dev/issue/79574"
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      "summary" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
      "url" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
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      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5029",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5029"
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    "release_date" : "2026-05-22T15:01:21.975000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-08-06T17:05:48+00:00",
      "details" : "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "url" : "https://access.redhat.com/errata/RHSA-2026:51112"
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      "category" : "workaround",
      "details" : "To mitigate this flaw, applications processing untrusted HTML input must implement strict input sanitization and ensure all output is properly encoded before rendering. Deploying a comprehensive Content Security Policy (CSP) can restrict script execution, further reducing the attack surface. Administrators should review application configurations to ensure adequate protection against XSS.",
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    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 8.1,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
        "version" : "3.1"
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting"
  }, {
    "cve" : "CVE-2026-27136",
    "cwe" : {
      "id" : "CWE-79",
      "name" : "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    },
    "discovery_date" : "2026-05-22T16:00:56.609820+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2480757"
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    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting (XSS) attacks in applications. Such attacks can result in information disclosure or arbitrary code execution.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This vulnerability in `golang.org/x/net/html` is rated as Important. It allows for Cross-Site Scripting (XSS) attacks by enabling an attacker to bypass HTML sanitization mechanisms when arbitrary HTML is parsed and rendered. This can lead to information disclosure or arbitrary code execution in affected applications. Exploitation typically requires user interaction, where a user processes specially crafted malicious HTML content.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
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      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5030",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5030"
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      "date" : "2026-08-06T17:05:48+00:00",
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        "baseScore" : 8.1,
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        "confidentialityImpact" : "HIGH",
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        "privilegesRequired" : "NONE",
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        "userInteraction" : "REQUIRED",
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      "details" : "Important"
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    "title" : "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass"
  }, {
    "cve" : "CVE-2026-39820",
    "cwe" : {
      "id" : "CWE-606",
      "name" : "Unchecked Input for Loop Condition"
    },
    "discovery_date" : "2026-05-07T20:01:27.800929+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2467820"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in the `net/mail` package of the Go programming language. An attacker could provide specially crafted inputs to the `ParseAddress`, `ParseAddressList`, or `ParseDate` functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service (DoS) for applications processing these inputs.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important denial of service vulnerability in the Go `net/mail` package. Applications processing untrusted email inputs via `ParseAddress`, `ParseAddressList`, or `ParseDate` functions are susceptible to excessive resource consumption, which can lead to service unavailability.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
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      "summary" : "https://go.dev/cl/759940",
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      "summary" : "https://pkg.go.dev/vuln/GO-2026-4986",
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    "title" : "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs"
  }, {
    "cve" : "CVE-2026-39821",
    "cwe" : {
      "id" : "CWE-1289",
      "name" : "Improper Validation of Unsafe Equivalence in Input"
    },
    "discovery_date" : "2026-05-22T16:00:52.844126+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2480756"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname (for example, xn--example-.com returns example.com instead of an error). Applications that validate the ASCII form then convert to Unicode may grant access to a restricted hostname the ASCII check would have rejected.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "golang.org/x/net/idna is vulnerable to privilege escalation through incorrect Punycode label handling in ToASCII and ToUnicode. An attacker who can supply a Punycode hostname that passes an ASCII-only authorization check may have it normalized to a restricted ASCII name the application intended to block. Red Hat exposure is broad across products shipping the Go toolchain or bundling golang.org/x/net, including RHEL and RHEL-AI golang RPMs, hummingbird Go runtimes, OpenShift and ODF container builds, and Ceph/OpenShift components compiled against affected x/net versions.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
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      "category" : "external",
      "summary" : "https://go.dev/cl/767220",
      "url" : "https://go.dev/cl/767220"
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      "summary" : "https://go.dev/issue/78760",
      "url" : "https://go.dev/issue/78760"
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      "summary" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
      "url" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
    }, {
      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5026",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5026"
    } ],
    "release_date" : "2026-05-22T15:01:21.462000+00:00",
    "remediations" : [ {
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    "title" : "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing"
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    "cve" : "CVE-2026-42499",
    "cwe" : {
      "id" : "CWE-1046",
      "name" : "Creation of Immutable Text Using String Concatenation"
    },
    "discovery_date" : "2026-05-07T20:00:51.685602+00:00",
    "ids" : [ {
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      "text" : "2467809"
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    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in the `net/mail` package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the `consumePhrase` function, it can lead to excessive resource consumption due to quadratic string concatenation, resulting in a Denial of Service (DoS) condition.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "net/mail: golang: net/mail: Denial of Service via pathological email address parsing",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important denial of service vulnerability in the `net/mail` package of the Go standard library. A remote attacker can exploit this flaw by sending specially crafted email addresses, leading to excessive resource consumption and a denial of service in Go applications that parse email addresses using the affected library.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
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      "summary" : "https://go.dev/cl/771520",
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    "title" : "net/mail: golang: net/mail: Denial of Service via pathological email address parsing"
  }, {
    "cve" : "CVE-2026-42502",
    "cwe" : {
      "id" : "CWE-79",
      "name" : "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    },
    "discovery_date" : "2026-05-22T16:01:11.151484+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2480762"
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      "text" : "A flaw was found in golang.org/x/net/html. This vulnerability allows an attacker to manipulate how HTML is processed and displayed. By providing specially crafted HTML, an attacker can cause an unexpected structure in the rendered output. This can lead to Cross-Site Scripting (XSS) attacks, where malicious scripts are executed in a user's web browser, potentially compromising user data or taking control of their session.",
      "title" : "Vulnerability description"
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      "category" : "summary",
      "text" : "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "A flaw in golang.org/x/net/html can lead to Cross-Site Scripting (XSS) in applications that parse and render untrusted HTML, even with sanitization attempts. This is due to an unexpected HTML tree structure, allowing malicious scripts to execute in a user's browser.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
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    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-42502"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2480762",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2480762"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-42502",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-42502"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-42502",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-42502"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/cl/781701",
      "url" : "https://go.dev/cl/781701"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/issue/79572",
      "url" : "https://go.dev/issue/79572"
    }, {
      "category" : "external",
      "summary" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
      "url" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
    }, {
      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5027",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5027"
    } ],
    "release_date" : "2026-05-22T15:01:21.649000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-08-06T17:05:48+00:00",
      "details" : "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
      "product_ids" : [ "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.src", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:51112"
    }, {
      "category" : "workaround",
      "details" : "Applications utilizing `golang.org/x/net/html` should implement robust sanitization of all untrusted HTML input before rendering to prevent the creation of unexpected HTML structures that could facilitate XSS attacks. If an application does not require rendering arbitrary HTML, it should avoid processing such input.",
      "product_ids" : [ "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.src", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.x86_64" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 6.1,
        "baseSeverity" : "MEDIUM",
        "confidentialityImpact" : "LOW",
        "integrityImpact" : "LOW",
        "privilegesRequired" : "NONE",
        "scope" : "CHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
        "version" : "3.1"
      },
      "products" : [ "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.src", "AppStream-9.6.0.Z.EUS:grafana-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debuginfo-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-debugsource-0:10.2.6-22.el9_6.x86_64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.aarch64", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.ppc64le", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.s390x", "AppStream-9.6.0.Z.EUS:grafana-selinux-0:10.2.6-22.el9_6.x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Moderate"
    } ],
    "title" : "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering"
  } ]
}