CVE catalog

CVE-2026-32882

libheif is a HEIF and AVIF file format decoder and…

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap buffer over-read in HeifPixelImage::overlay() in libheif/pixelimage.cc. When compositing an overlay image (iovl) whose child image has a different bit depth for the alpha channel than for the color channels, the function indexes into the alpha plane using the color channel stride (in_stride) instead of the previously retrieved alpha_stride, causing reads past the end of the alpha buffer (up to 3,123 bytes for a 100×50 image with 10-bit color and 8-bit alpha). A crafted HEIF file can exploit this to cause a denial of service (crash) or potentially disclose adjacent heap memory through leaked bytes embedded in the decoded output pixels. This issue has been fixed in versionThis issue has been fixed in version 1.22.0.

Severity: High · CVSS 7.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Published: May 19, 2026, 8:07:21 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.71% · Oct 27, 2026

Projects and upstream resources

[libheif][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "libheif",
      "status": "fixed",
      "release": "sid",
      "version": "1.23.6-2"
    },
    {
      "name": "libheif",
      "status": "fixed",
      "release": "forky",
      "version": "1.23.6-2"
    },
    {
      "name": "libheif",
      "status": "fixed",
      "release": "trixie",
      "version": "1.19.8-1+deb13u1"
    },
    {
      "name": "libheif",
      "status": "fixed",
      "release": "trixie-security",
      "version": "1.23.6-2~deb13u1"
    },
    {
      "name": "libheif",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.15.1-1+deb12u1"
    },
    {
      "name": "libheif",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "1.15.1-1+deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1137524,
      "name": "libheif",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.23.1-1"
    },
    {
      "bug": 1137524,
      "name": "libheif",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.23.1-1"
    },
    {
      "bug": 1137524,
      "name": "libheif",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.19.8-1+deb13u1"
    },
    {
      "bug": 1137524,
      "name": "libheif",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "libheif",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "heif-gdk-pixbuf",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "heif-thumbnailer",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-dev",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-examples",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-aomdec",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-aomenc",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-dav1d",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-ffmpegdec",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-j2kdec",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-j2kenc",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-jpegdec",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-jpegenc",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-libde265",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-rav1e",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-svtenc",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif-plugin-x265",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif1",
      "ecosystem": "cpe",
      "fixed_version": "1.17.6-1ubuntu4.4"
    },
    {
      "name": "libheif",
      "ecosystem": "cpe",
      "fixed_version": "not yet fixed"
    },
    {
      "name": "libheif",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.12.0-2ubuntu0.1~esm3"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.11.0-1",
        "1.12.0-2build1",
        "1.12.0-2ubuntu0.1~esm1",
        "1.12.0-2ubuntu0.1~esm2"
      ],
      "ecosystem": "deb",
      "fixed_version": "1.12.0-2ubuntu0.1~esm3",
      "provider_record_id": "UBUNTU-CVE-2026-32882"
    },
    {
      "name": "libheif",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.17.6-1ubuntu4.4"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "1.16.2-2ubuntu1",
        "1.17.1-1ubuntu2",
        "1.17.1-1ubuntu3",
        "1.17.4-1ubuntu1",
        "1.17.6-1ubuntu1",
        "1.17.6-1ubuntu2",
        "1.17.6-1ubuntu3",
        "1.17.6-1ubuntu4",
        "1.17.6-1ubuntu4.1",
        "1.17.6-1ubuntu4.2",
        "1.17.6-1ubuntu4.3"
      ],
      "ecosystem": "deb",
      "fixed_version": "1.17.6-1ubuntu4.4",
      "provider_record_id": "UBUNTU-CVE-2026-32882"
    },
    {
      "name": "libheif",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.2-1ubuntu0.4"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "1.19.7-1",
        "1.19.8-1",
        "1.20.2-1",
        "1.20.2-1ubuntu0.1",
        "1.20.2-1ubuntu0.3"
      ],
      "ecosystem": "deb",
      "fixed_version": "1.20.2-1ubuntu0.4",
      "provider_record_id": "UBUNTU-CVE-2026-32882"
    },
    {
      "name": "libheif",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.21.2-3ubuntu0.1"
            }
          ]
        }
      ],
      "release": "26.04",
      "versions": [
        "1.20.2-1",
        "1.20.2-2",
        "1.20.2-2build1",
        "1.20.2-2build2",
        "1.20.2-2ubuntu1",
        "1.21.2-1",
        "1.21.2-3"
      ],
      "ecosystem": "deb",
      "fixed_version": "1.21.2-3ubuntu0.1",
      "provider_record_id": "UBUNTU-CVE-2026-32882"
    }
  ]
}

[Debian bug #1137524]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[heif-gdk-pixbuf]Unknown
Source package: [libheif]
Details (6)
- 1.15.1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[heif-thumbnailer]Unknown
Source package: [libheif]
Details (6)
- 1.15.1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif1]Unknown
Source package: [libheif]
Details (6)
- 1.15.1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-dev]Unknown
Source package: [libheif]
Details (6)
- 1.15.1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-examples]Unknown
Source package: [libheif]
Details (6)
- 1.15.1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.15.1-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-aomdec]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-aomenc]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-dav1d]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-ffmpegdec]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-j2kdec]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-j2kenc]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-jpegdec]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-jpegenc]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-libde265]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-rav1e]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugins-all]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-svtenc]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
[libheif-plugin-x265]Unknown
Source package: [libheif]
Details (2)
- 1.19.7-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12
- 1.19.7-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · libheif · debian · bookworm; nvd · libheif · debian · 12

[Debian 13 (Trixie)]

[heif-gdk-pixbuf]Unknown
Source package: [libheif]
Details (6)
- 1.19.8-1 · amd64 · trixie
  Affected · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1 · arm64 · trixie
  Affected · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.23.4-1~deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.23.6-2~deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
[heif-thumbnailer]Unknown
Source package: [libheif]
Details (6)
- 1.19.8-1 · amd64 · trixie
  Affected · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1 · arm64 · trixie
  Affected · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.19.8-1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.23.4-1~deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13
- 1.23.6-2~deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.19.8-1+deb13u1
  nvd · libheif · debian · 13

Next results

Observed: Oct 27, 2026, 7:33:28 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]