CVE-2026-50142 libheif: unbounded heap allocation in HEIF sequence parser (stsz fixed-size mode missing bound check)

libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.0, a crafted HEIF sequence accepted by heifcontextreadfrommemory with the msf1 sequence brand can cause unbounded heap allocation. In libheif/sequences/seqboxes.cc, Boxstsz::parse applies maxsequenceframes only to...

CVE-2026-50142 libheif: unbounded heap allocation in HEIF sequence parser (stsz fixed-size mode missing bound check)

libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.0, a crafted HEIF sequence accepted by heifcontextreadfrommemory with the msf1 sequence brand can cause unbounded heap allocation. In libheif/sequences/seqboxes.cc, Boxstsz::parse applies maxsequenceframes only to...

EUVD-2026-62187

libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.0, a crafted HEIF sequence accepted by heifcontextreadfrommemory with the msf1 sequence brand can cause unbounded heap allocation. In libheif/sequences/seqboxes.cc, Boxstsz::parse applies maxsequenceframes only to...

CVE-2026-50142

libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.0, a crafted HEIF sequence accepted by heifcontextreadfrommemory with the msf1 sequence brand can cause unbounded heap allocation. In libheif/sequences/seqboxes.cc, Boxstsz::parse applies maxsequenceframes only to...

SUSE SLED15: gdk-pixbuf-loader-libheif / libheif-aom / libheif-dav1d / etc (SUSE-SU-2026:3597-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3597-1 advisory. Update to version 1.23.1 jscPED-16355. Security issues fixed: - CVE-2026-62289: integer underflow in Fraction...

Security update for libheif

This update for libheif fixes the following issues: Update to version 1.23.1 jscPED-16355. Security issues fixed: CVE-2026-62289: integer underflow in Fraction constructor via double clap transform application bsc1273079. CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder when...

SUSE-SU-2026:3597-1 Security update for libheif

This update for libheif fixes the following issues: Update to version 1.23.1 jscPED-16355. Security issues fixed: - CVE-2026-62289: integer underflow in Fraction constructor via double clap transform application bsc1273079. - CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder wh...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a crafted 800-byte HEIF sequence file could cause an infinite loop in the Boxstts::getsampleduration function. This loop consumed 100% of the CPU resources indefinitely, with no progress being made,...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. Prior to version 1.21.0, a crafted HEIF file that used overlay image item paths triggered a heap buffer overflow in HeifPixelImage::overlay. This function calculated a negative row length likely derived from an unclipped overlay...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a crafted HEIF sequence file where the saiz box declares more samples than actually exist in the track’s chunk table could cause a heap-buffer-overflow out-of-bounds read in the SampleAuxInfoReader...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a malformed HEIF sequence file could trigger an out-of-bounds read during core sequence parsing, leading to DoS Denial of Service. A malformed file may have stcoentrycount == 0 meaning no chunks are...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc field could cause an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, causing all sampl...

Debian dsa-6417 : heif-gdk-pixbuf - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6417 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6417-1 [email protected] https://www.debian.org/securit...

[SECURITY] [DSA 6417-1] libheif security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6417-1 [email protected] https://www.debian.org/security/ Aron Xu August 08, 2026 https://www.debian.org/security/faq -...

Linux Distros Unpatched Vulnerability : CVE-2026-62292

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.1, a crafted uncompressed HEIF image using generic zlib unci full-item...

Linux Distros Unpatched Vulnerability : CVE-2026-62289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF or AVIF file containing a clean aperture box can reduce an ima...

gdk-pixbuf-loader-libheif-1.23.1-1.1 on GA media (moderate)

gdk-pixbuf-loader-libheif-1.23.1-1.1 on GA media Announcement ID: openSUSE-SU-2026:11416-1 Rating: moderate Cross-References: CVE-2026-62289 CVE-2026-62291 CVE-2026-62292 CVE-2026-62377 Affected Products: openSUSE Tumbleweed An update that solves 4 vulnerabilities can now be installed. Descriptio...

PT-2026-67254

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.23.1 Description A crafted HEIF sequence processed by the heif context read from memory function can result in a context with no registered sequence tracks. This leads to a crash when the heif context get trackctx, ...

OPENSUSE-SU-2026:11416-1 gdk-pixbuf-loader-libheif-1.23.1-1.1 on GA media

These are all security issues fixed in the gdk-pixbuf-loader-libheif-1.23.1-1.1 package on the GA media of openSUSE Tumbleweed...

PT-2026-67252

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.23.1 Description A flaw exists in the HEIF and AVIF file format decoder and encoder where a specially crafted file containing a clean aperture box can cause an image dimension to be reduced to zero. This occurs when...