{
  "cveId": "CVE-2026-6861",
  "url": "https://patchblox.com/security/cve/CVE-2026-6861",
  "summary": "CVE-2026-6861 is fixed in 16 products on 1 platform, first by emacs 1:29.3\u002B1-1ubuntu2\u002Besm4, released April 22, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Emacs: emacs: memory corruption vulnerability when processing svg css",
  "description": "A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.",
  "published": "2026-04-22T07:17:00Z",
  "severity": "Moderate",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
  "cwe": "Off-by-one Error",
  "epss": 0.00108,
  "epssPercentile": 0.012,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6861",
  "fixes": [
    {
      "platform": "linux",
      "product": "emacs",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:30.1\u002B1-6\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-6861",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-6861",
      "released": "2026-04-22T14:17:07Z"
    },
    {
      "platform": "linux",
      "product": "emacs",
      "release": "Debian 14",
      "fixedVersion": "1:30.2\u002B1-3",
      "fix": "DEBIAN-CVE-2026-6861",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-6861",
      "released": "2026-04-22T14:17:07Z"
    },
    {
      "platform": "linux",
      "product": "emacs",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-bin-common",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-bin-common 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-bin-common-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-bin-common",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-bin-common 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-bin-common-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-common",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-common 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-common-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-common",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-common 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-common-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-common",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-common-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-el",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-el 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-el-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-el",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-el 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-el-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-filesystem",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-gtk",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-gtk 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-gtk-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-gtk",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-gtk 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-gtk-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-lucid",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-lucid 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-lucid-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-lucid",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-lucid 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-lucid-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-lucid",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-lucid-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-nox",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-nox 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-nox-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-nox",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-nox 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-nox-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-nox",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-nox-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    },
    {
      "platform": "linux",
      "product": "emacs-pgtk",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:29.3\u002B1-1ubuntu2\u002Besm4",
      "fix": "emacs-pgtk 1:29.3\u002B1-1ubuntu2\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-emacs-pgtk-1-29.3-1-1ubuntu2-esm4",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-pgtk",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:30.2\u002B1-2ubuntu1\u002Besm1",
      "fix": "emacs-pgtk 1:30.2\u002B1-2ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-emacs-pgtk-1-30.2-1-2ubuntu1-esm1",
      "released": "2026-04-22T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "emacs-terminal",
      "release": "amzn 2023",
      "fixedVersion": "1:28.2-3.amzn2023.0.12",
      "fix": "ALAS2023-2026-3195",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3195",
      "released": "2026-11-07T01:06:52Z"
    }
  ],
  "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"
  }
}