{
  "cveId": "CVE-2026-32814",
  "url": "https://patchblox.com/security/cve/CVE-2026-32814",
  "summary": "CVE-2026-32814 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-32814, released May 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
  "description": "libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, when decoding a HEIF grid image with strict_decoding=false (the default), a corrupted tile silently fails to decode and the library returns heif_error_Ok with no indication of failure, leading to an uninitialized heap memory information leak. The canvas is allocated via create_clone_image_at_new_size() \u2192 plane.alloc() \u2192 new (std::nothrow) uint8_t[allocation_size] which does not zero the memory; only the alpha plane is explicitly initialized via fill_plane(), so the Y, Cb, and Cr planes contain whatever was previously at that heap address. The failed tile\u0027s region of the canvas is never written. It retains uninitialized heap data that is delivered to the caller as decoded pixel values (4,096 bytes per Y/Cb/Cr plane = 12,288\u002B bytes total). Any application using libheif to decode grid-based HEIF/AVIF files with default settings is vulnerable: a crafted .heic or .avif file causes 4,096\u002B bytes of heap memory to appear as pixel values in the decoded image, and the calling application receives heif_error_Ok, so it has no indication the output contains heap garbage. In server-side image processing, an uploaded crafted HEIF decoded and re-encoded (e.g., as PNG/JPEG for thumbnails, CDN, social media) can leak cross-user data such as auth tokens, database results, and other users\u0027 image data. This issue has been fixed in version 1.22.0.",
  "published": "2026-05-19T14:16:00Z",
  "severity": "medium",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
  "epss": 0.00311,
  "epssPercentile": 0.24141,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.6.1-1ubuntu0.1~esm3",
      "fix": "heif-gdk-pixbuf 1.6.1-1ubuntu0.1~esm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-heif-gdk-pixbuf-1.6.1-1ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:32Z"
    },
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.12.0-2ubuntu0.1~esm3",
      "fix": "heif-gdk-pixbuf 1.12.0-2ubuntu0.1~esm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-heif-gdk-pixbuf-1.12.0-2ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.17.6-1ubuntu4.4",
      "fix": "heif-gdk-pixbuf 1.17.6-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-heif-gdk-pixbuf-1.17.6-1ubuntu4.4",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.20.2-1ubuntu0.4",
      "fix": "heif-gdk-pixbuf 1.20.2-1ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-heif-gdk-pixbuf-1.20.2-1ubuntu0.4",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.21.2-3ubuntu0.1",
      "fix": "heif-gdk-pixbuf 1.21.2-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-heif-gdk-pixbuf-1.21.2-3ubuntu0.1",
      "released": "2026-07-21T15:17:00Z"
    },
    {
      "platform": "linux",
      "product": "heif-thumbnailer",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "heif-thumbnailer 1.6.1-1ubuntu0.1~esm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-heif-thumbnailer-1.6.1-1ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:32Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-heif-thumbnailer-1.12.0-2ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:38Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-heif-thumbnailer-1.17.6-1ubuntu4.4",
      "released": "2026-06-24T14:07:41Z"
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      "released": "2026-07-21T15:17:00Z"
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      "fix": "heif-view 1.20.2-1ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-heif-view-1.20.2-1ubuntu0.4",
      "released": "2026-06-24T14:07:44Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-heif-view-1.21.2-3ubuntu0.1",
      "released": "2026-07-21T15:17:00Z"
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    {
      "platform": "linux",
      "product": "libheif",
      "release": "Debian 14",
      "fixedVersion": "1.23.1-1",
      "fix": "DEBIAN-CVE-2026-32814",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-32814",
      "released": "2026-05-19T21:16:42Z"
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      "platform": "linux",
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      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:20974-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20974-1",
      "released": "2026-06-17T08:37:36Z"
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    {
      "platform": "linux",
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      "release": "sles 15.7",
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      "fix": "SUSE-SU-2026:2622-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2622-1",
      "released": "2026-06-24T11:55:36Z"
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      "fix": "SUSE-SU-2026:22153-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22153-1",
      "released": "2026-06-17T08:36:56Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libheif-examples-1.6.1-1ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:32Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libheif-examples-1.12.0-2ubuntu0.1-esm3",
      "released": "2026-06-24T14:07:38Z"
    },
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libheif-examples-1.17.6-1ubuntu4.4",
      "released": "2026-06-24T14:07:41Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libheif-examples-1.20.2-1ubuntu0.4",
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      "platform": "linux",
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      "platform": "linux",
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    {
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    },
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    {
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    {
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    {
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    },
    {
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    },
    {
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    },
    {
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    },
    {
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    },
    {
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    },
    {
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    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}