{
  "cveId": "CVE-2026-5419",
  "url": "https://patchblox.com/security/cve/CVE-2026-5419",
  "summary": "CVE-2026-5419 is fixed in 16 products on 1 platform, first by RHSA-2026:26409, released May 4, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal",
  "description": "The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library,  \nwhich implements cryptographic algorithms and protocols such as SSL, TLS, and  \nDTLS.  \n\nSecurity Fix(es):  \n\n  * gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)\n  * gnutls: Fix crashing on an underflow with a DTLS datagram\n\n\n(CVE-2026-33845)  \n\n  * gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)\n  * gnutls: Fix case-sensitivity of domain name comparison in name\n\n\nconstraints (CVE-2026-3833)  \n\n  * gnutls: Fix intersecting empty name constraints (CVE-2026-42011)\n  * gnutls: Denial of Service via heap buffer overflow in DTLS handshake\n\n\nfragment reassembly (CVE-2026-33846)  \n\nFor more details about the security issue(s), including the impact, a CVSS  \nscore, acknowledgments, and other related information, refer to the CVE page(s)  \nlisted in the References section.",
  "published": "2026-04-29T00:00:00Z",
  "severity": "Low",
  "cvss": 8.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
  "cwe": "Observable Timing Discrepancy",
  "epss": 0.00543,
  "epssPercentile": 0.45857,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5419",
  "fixes": [
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      "platform": "linux",
      "product": "gnutls",
      "release": "RHEL 10",
      "fixedVersion": "3.8.9-9.el10_0.19",
      "fix": "RHSA-2026:26409",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-26409",
      "released": "2026-05-04T08:53:59Z"
    },
    {
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      "product": "gnutls",
      "release": "RHEL 9",
      "fixedVersion": "0:3.8.10-4.el9_8",
      "fix": "RHSA-2026:20612",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-20612",
      "released": "2026-06-24T14:09:17Z"
    },
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      "product": "gnutls",
      "release": "almalinux 10",
      "fixedVersion": "3.8.10-4.el10_2",
      "fix": "ALSA-2026:20613",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-20613",
      "released": "2026-05-26T00:00:00Z"
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      "fix": "ALSA-2026:20612",
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      "released": "2026-05-26T00:00:00Z"
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      "fix": "ALAS2023-2026-1808",
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      "released": "2026-06-08T09:00:00Z"
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      "fixedVersion": "0:3.8.10-4.el10_2",
      "fix": "ELSA-2026-20613",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-20613",
      "released": "2026-07-17T00:00:00Z"
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      "product": "gnutls",
      "release": "ol 9",
      "fixedVersion": "0:3.8.10-4.el9_8",
      "fix": "ELSA-2026-20612",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-20612",
      "released": "2026-06-24T00:00:00Z"
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      "platform": "linux",
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      "release": "rocky 10",
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      "fix": "RLSA-2026:20613",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-20613",
      "released": "2026-06-05T12:04:50Z"
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      "fix": "RLSA-2026:20612",
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      "released": "2026-06-02T18:03:08Z"
    },
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gnutls-bin-3.8.3-1.1ubuntu3.6",
      "released": "2026-05-27T17:38:28Z"
    },
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      "platform": "linux",
      "product": "gnutls-bin",
      "release": "Ubuntu 25.10 (questing)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-gnutls-bin-3.8.9-3ubuntu2.2",
      "released": "2026-05-27T17:38:31Z"
    },
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      "release": "Ubuntu 26.04.1 LTS (resolute)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-gnutls-bin-3.8.12-2ubuntu1.1",
      "released": "2026-05-07T08:16:00Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libgnutls30t64-3.8.9-3ubuntu2.2",
      "released": "2026-05-27T17:38:31Z"
    },
    {
      "platform": "linux",
      "product": "libgnutls30t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.8.12-2ubuntu1.1",
      "fix": "libgnutls30t64 3.8.12-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libgnutls30t64-3.8.12-2ubuntu1.1",
      "released": "2026-05-07T08:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}