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    "cwe" : {
      "id" : "CWE-770",
      "name" : "Allocation of Resources Without Limits or Throttling"
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    "ids" : [ {
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      "text" : "2456339"
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      "category" : "description",
      "text" : "A flaw was found in the Go standard library packages `crypto/x509` and `crypto/tls`. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being performed. This can result in a denial of service (DoS) condition, making the affected system or application unavailable to legitimate users.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important denial of service vulnerability in the Go standard library's certificate chain building process. Systems utilizing Go applications that process untrusted TLS certificates or X.509 certificate chains are susceptible to resource exhaustion when presented with an excessive number of intermediate certificates, potentially leading to service unavailability. This flaw impacts applications directly using `crypto/x509` or `crypto/tls`.",
      "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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    "title" : "crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building"
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    "cve" : "CVE-2026-32282",
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      "id" : "CWE-367",
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      "text" : "2456336"
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      "category" : "description",
      "text" : "A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the `Root.Chmod` function is replaced with a symbolic link during execution, specifically after `Root.Chmod` checks the target but before acting, the `chmod` operation will be performed on the file the symbolic link points to. This issue can bypass directory restrictions and lead to unauthorized permission changes on the filesystem.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "To exploit this issue, an attacker needs access to the system and the required permissions to create a symbolic link. Additionally, the attacker must swap the target file with a symbolic link in the exact window after the `Root.Chmod` function checks its target but before acting. Due to these conditions, this flaw has been rated with a moderate severity.",
      "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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      "details" : "Moderate"
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    "title" : "golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root"
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    "cve" : "CVE-2026-32283",
    "cwe" : {
      "id" : "CWE-764",
      "name" : "Multiple Locks of a Critical Resource"
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    "ids" : [ {
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      "text" : "2456338"
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      "category" : "description",
      "text" : "A flaw was found in the `crypto/tls` package within the Go (golang) standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock, leading to uncontrolled consumption of resources and ultimately a denial of service (DoS).",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Important: A flaw in the Go `crypto/tls` package allows a remote attacker to cause a denial of service in applications using TLS 1.3. By sending multiple key update messages in a single record post-handshake, an attacker can trigger a connection deadlock, leading to uncontrolled resource consumption. This impacts Red Hat products utilizing the affected Go standard library for TLS 1.3 connections.",
      "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",
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      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-32283"
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      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32283",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32283"
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      "category" : "external",
      "summary" : "https://go.dev/cl/763767",
      "url" : "https://go.dev/cl/763767"
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      "category" : "external",
      "summary" : "https://go.dev/issue/78334",
      "url" : "https://go.dev/issue/78334"
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      "category" : "external",
      "summary" : "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU",
      "url" : "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"
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      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-4870",
      "url" : "https://pkg.go.dev/vuln/GO-2026-4870"
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    "release_date" : "2026-04-08T01:06:57.670000+00:00",
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      "title" : "Vulnerability summary"
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      "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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      "details" : "Important"
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    "title" : "google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation"
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    "cve" : "CVE-2026-34986",
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      "id" : "CWE-131",
      "name" : "Incorrect Calculation of Buffer Size"
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    "discovery_date" : "2026-04-06T17:01:34.639203+00:00",
    "ids" : [ {
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    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in Go JOSE, a library for handling JSON Web Encryption (JWE) objects. A remote attacker could exploit this vulnerability by providing a specially crafted JWE object. When decrypting such an object, if a key wrapping algorithm is specified but the encrypted key field is empty, the application can crash. This leads to a denial of service (DoS), making the affected service unavailable to legitimate users.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object",
      "title" : "Vulnerability summary"
    }, {
      "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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      "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" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "HIGH",
        "baseScore" : 7.5,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "NONE",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version" : "3.1"
      },
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    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object"
  } ]
}