{
  "cveId": "CVE-2026-14457",
  "url": "https://patchblox.com/security/cve/CVE-2026-14457",
  "summary": "CVE-2026-14457 is fixed in 16 products on 1 platform, first by libssl3t64 3.5.5-1ubuntu3.4, released August 24, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "RPK Server Signature Algorithm Selection Can Dereference a Missing Certificate",
  "description": "Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the private key (with no associated certificate) configured locally, a NULL pointer dereference may occur when the remote peer solicits raw public keys and also sends the typically omitted \u0022signature_algorithms_cert\u0022 TLS extension.  Impact summary: The impact is limited to a possible Denial of Service as a result of an application abort, no data disclosure or remote command execution are possible.  CWE: CWE-476: NULL Pointer Dereference  Description: While a passing comment in sample code in the documentation suggests that key-only RPK configurations are supported, the best-practice RPK configuration is to always configure a corresponding certificate (possibly self-signed or signed by any convenient CA).  When the private key is configured along with a matching certificate, the \u0022signature_algorithms_cert\u0022 extension is handled reliably even without the fix, and peer clients or servers that don\u0027t support raw public keys may be able to complete a TLS connection by pinning or verifying the corresponding certificate or its public key.  Deployments that prefer to configure just a private key with no certificate need to upgrade to an updated release as noted below.  FIPS impact: no  No FIPS modules are affected by this issue, as the SSL protocol implementation is outside the OpenSSL FIPS module boundary.",
  "published": "2026-08-24T17:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "NULL Pointer Dereference",
  "epss": 0.01167,
  "epssPercentile": 0.67563,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14457",
  "fixes": [
    {
      "platform": "linux",
      "product": "libssl3t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.5.5-1ubuntu3.4",
      "fix": "libssl3t64 3.5.5-1ubuntu3.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libssl3t64-3.5.5-1ubuntu3.4",
      "released": "2026-08-24T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.5.7-1~deb13u2",
      "fix": "DEBIAN-CVE-2026-14457",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14457",
      "released": "2026-08-26T00:17:14Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "Debian 14",
      "fixedVersion": "3.6.4-1",
      "fix": "DEBIAN-CVE-2026-14457",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14457",
      "released": "2026-08-26T00:17:14Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "RHEL 10",
      "fixedVersion": "3.5.8-1.el10_2",
      "fix": "RHSA-2026:67154",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67154",
      "released": "2026-09-14T12:58:54Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "RHEL 9",
      "fixedVersion": "1:3.5.8-1.el9_8",
      "fix": "RHSA-2026:67165",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67165",
      "released": "2026-09-19T18:32:55Z"
    },
    {
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      "product": "openssl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.5.5-1ubuntu3.4",
      "fix": "openssl 3.5.5-1ubuntu3.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-openssl-3.5.5-1ubuntu3.4",
      "released": "2026-08-24T17:00:00Z"
    },
    {
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      "product": "openssl",
      "release": "almalinux 10",
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      "fix": "ALSA-2026:67154",
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      "released": "2026-09-14T00:00:00Z"
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      "fix": "ALAS2023-2026-2136",
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      "released": "2026-09-14T00:00:00Z"
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      "released": "2026-09-02T15:55:21Z"
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      "released": "2026-09-07T08:29:17Z"
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      "released": "2026-09-02T15:59:12Z"
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      "released": "2026-09-07T08:29:03Z"
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      "released": "2026-09-07T08:29:31Z"
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  "noFixYet": [],
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  "attribution": {
    "text": "Data: Patchblox Patch Radar",
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    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}