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      "category" : "summary",
      "text" : "An update for freerdp is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.\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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      "category" : "general",
      "text" : "FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.\n\nSecurity Fix(es):\n\n* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855)\n\n* freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858)\n\n* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859)\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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      "text" : "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4437.json"
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    "title" : "Red Hat Security Advisory: freerdp security update",
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  "vulnerabilities" : [ {
    "cve" : "CVE-2026-22855",
    "cwe" : {
      "id" : "CWE-125",
      "name" : "Out-of-bounds Read"
    },
    "discovery_date" : "2026-01-14T18:00:47.363663+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2429645"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A heap based buffer overflow has been discovered in FreeRDP. This heap out-of-bounds read occurs in the smartcard SetAttrib path when cbAttrLen does not match the actual NDR buffer length.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "freerdp: FreeRDP heap-buffer-overflow",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Red Hat products in their default configuration employ Address Space Layout Randomization (ASLR) which drastically increases the complexity of the successful exploitation of this flaw.",
      "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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    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-22855"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2429645",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2429645"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-22855",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-22855"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22855",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22855"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1",
      "url" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9",
      "url" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9"
    } ],
    "release_date" : "2026-01-14T17:50:06.209000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-03-12T08:32:56+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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      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:4437"
    }, {
      "category" : "workaround",
      "details" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "HIGH",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "HIGH",
        "baseScore" : 7.4,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
        "version" : "3.1"
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "freerdp: FreeRDP heap-buffer-overflow"
  }, {
    "cve" : "CVE-2026-22858",
    "cwe" : {
      "id" : "CWE-787",
      "name" : "Out-of-bounds Write"
    },
    "discovery_date" : "2026-01-14T18:00:52.497801+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2429649"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c <= 0 can be optimized into a simple c != 0 check. As a result, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, causing out-of-bounds access.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "freerdp: FreeRDP global-buffer-overflow",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Red Hat products in their default configuration employ Address Space Layout Randomization (ASLR) which drastically increases the complexity of the successful exploitation of this flaw.",
      "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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    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-22858"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2429649",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2429649"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-22858",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-22858"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22858",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22858"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1",
      "url" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qmqf-m84q-x896",
      "url" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qmqf-m84q-x896"
    } ],
    "release_date" : "2026-01-14T17:56:29.729000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-03-12T08:32:56+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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      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:4437"
    }, {
      "category" : "workaround",
      "details" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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        "attackComplexity" : "HIGH",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "HIGH",
        "baseScore" : 7.4,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
        "version" : "3.1"
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "freerdp: FreeRDP global-buffer-overflow"
  }, {
    "cve" : "CVE-2026-22859",
    "cwe" : {
      "id" : "CWE-125",
      "name" : "Out-of-bounds Read"
    },
    "discovery_date" : "2026-01-14T18:01:32.314446+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2429653"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A heap based buffer overflow has been discovered in FreeRDP. In affected versions the URBDRC client does not perform bounds checking on server‑supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out‑of‑bounds read.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "freerdp: FreeRDP heap-buffer-overflow",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Red Hat products in their default configuration employ Address Space Layout Randomization (ASLR) which drastically increases the complexity of the successful exploitation of this flaw.",
      "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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    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-22859"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2429653",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2429653"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-22859",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-22859"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22859",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22859"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1",
      "url" : "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1"
    }, {
      "category" : "external",
      "summary" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36",
      "url" : "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36"
    } ],
    "release_date" : "2026-01-14T17:57:37+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-03-12T08:32:56+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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        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:4437"
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        "attackVector" : "NETWORK",
        "availabilityImpact" : "HIGH",
        "baseScore" : 7.4,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
        "version" : "3.1"
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "freerdp: FreeRDP heap-buffer-overflow"
  } ]
}