CVE catalog

CVE-2026-32741

Severity: High · CVSS 7.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Published: May 19, 2026, 7:57:26 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.34% · Oct 25, 2026

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and below contain a heap buffer overflow in MaskImageCodec::decode_mask_image(). When decoding a HEIF file containing a mask image (mski), the function copies the full iloc extent data into a pixel buffer using memcpy(dst, data.data(), data.size()). The copy length data.size() is determined by the iloc extent in the file (attacker-controlled), while the destination buffer is sized based on the declared image dimensions. Because no upper-bound check exists on the data length, a crafted file whose iloc extent exceeds the pixel buffer allocation overflows the heap. The vulnerable single-memcpy branch is reached when the mskC property specifies bits_per_pixel = 8 and the ispe property declares an even width ≥ 64 (so that stride == width), with no changes to default security limits or external codec plugins required. This issue has been fixed in version 1.22.0.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libheif	sid	`1.23.6-2`	fixed
Debian	libheif	forky	`1.23.6-2`	fixed
Debian	libheif	trixie	`1.19.8-1+deb13u1`	fixed
Debian	libheif	trixie-security	`1.23.6-2~deb13u1`	fixed
Debian	libheif	bookworm	`1.15.1-1+deb12u1`	vulnerable
Debian	libheif	bookworm-security	`1.15.1-1+deb12u1`	vulnerable
Cpe	libheif	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	heif-gdk-pixbuf	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	heif-thumbnailer	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-dev	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-examples	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-aomdec	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-aomenc	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-dav1d	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-ffmpegdec	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-j2kdec	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-j2kenc	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-jpegdec	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-jpegenc	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-libde265	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-rav1e	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-svtenc	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif-plugin-x265	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif1	Not reported	`1.17.6-1ubuntu4.4`	fixed
Cpe	libheif	Not reported	Not reported	vulnerable
Ubuntu	libheif	24.04	`1.16.2-2ubuntu1`	vulnerable
Ubuntu	libheif	24.04	`1.17.1-1ubuntu2`	vulnerable
Ubuntu	libheif	24.04	`1.17.1-1ubuntu3`	vulnerable
Ubuntu	libheif	24.04	`1.17.4-1ubuntu1`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu1`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu2`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu3`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu4`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu4.1`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu4.2`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu4.3`	vulnerable
Ubuntu	libheif	24.04	`1.17.6-1ubuntu4.4`	fixed
Ubuntu	libheif	25.10	`1.19.7-1`	vulnerable
Ubuntu	libheif	25.10	`1.19.8-1`	vulnerable
Ubuntu	libheif	25.10	`1.20.2-1`	vulnerable
Ubuntu	libheif	25.10	`1.20.2-1ubuntu0.1`	vulnerable
Ubuntu	libheif	25.10	`1.20.2-1ubuntu0.3`	vulnerable
Ubuntu	libheif	25.10	`1.20.2-1ubuntu0.4`	fixed
Ubuntu	libheif	26.04	`1.20.2-1`	vulnerable
Ubuntu	libheif	26.04	`1.20.2-2`	vulnerable
Ubuntu	libheif	26.04	`1.20.2-2build1`	vulnerable
Ubuntu	libheif	26.04	`1.20.2-2build2`	vulnerable
Ubuntu	libheif	26.04	`1.20.2-2ubuntu1`	vulnerable
Ubuntu	libheif	26.04	`1.21.2-1`	vulnerable
Ubuntu	libheif	26.04	`1.21.2-3`	vulnerable
Ubuntu	libheif	26.04	`1.21.2-3ubuntu0.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libheif	source	sid	`1.23.1-1`	not yet assigned	Not reported	[1137524]
Debian	libheif	source	forky	`1.23.1-1`	not yet assigned	Not reported	[1137524]
Debian	libheif	source	trixie	`1.19.8-1+deb13u1`	not yet assigned	Not reported	[1137524]
Debian	libheif	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1137524]
Cpe	libheif	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	heif-gdk-pixbuf	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	heif-thumbnailer	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-dev	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-examples	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-aomdec	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-aomenc	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-dav1d	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-ffmpegdec	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-j2kdec	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-j2kenc	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-jpegdec	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-jpegenc	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-libde265	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-rav1e	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-svtenc	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif-plugin-x265	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Cpe	libheif1	cpe	Not reported	`1.17.6-1ubuntu4.4`	Not reported	Not reported	Not reported
Ubuntu	libheif	deb	24.04	`1.17.6-1ubuntu4.4`	Not reported	UBUNTU-CVE-2026-32741	Not reported
Ubuntu	libheif	deb	25.10	`1.20.2-1ubuntu0.4`	Not reported	UBUNTU-CVE-2026-32741	Not reported
Ubuntu	libheif	deb	26.04	`1.21.2-3ubuntu0.1`	Not reported	UBUNTU-CVE-2026-32741	Not reported

[Debian bug #1137524]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[heif-gdk-pixbuf]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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]Affected
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)]