CVE-2026-32738

libheif (versions

CVE-2026-32738

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...

libheif 缓冲区错误漏洞

Libheif is a open-source decoder and encoder for the ISO/IEC 23008-12:2017 HEIF file format developed by Struktur. Versions of Libheif prior to 1.21.2 contain a buffer error vulnerability. This vulnerability stems from a heap buffer overflow during tile composition, allowing attackers to write...

PT-2026-42002

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.22.0 Description An issue in the HEIF and AVIF file format decoder and encoder allows a specially crafted 800-byte HEIF sequence file to trigger an infinite loop in the Box stts::get sample duration function. This...

PT-2026-42006

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.22.0 Description When decoding a HEIF grid image with strict decoding set to false the default, a corrupted tile may fail to decode silently. The library returns heif error Ok without indicating failure, resulting i...

libheif 安全漏洞

LibHEIF is a open-source decoder and encoder for the ISO/IEC 23008-12:2017 HEIF file format developed by Struktur. Versions of LibHEIF prior to 1.21.2 contain a security vulnerability. This vulnerability stems from an infinite loop in Boxstts::getsampleduration, which consumes 100% of the CPU...

PT-2026-42007

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.22.0 Description A heap buffer over-read exists in the HeifPixelImage::overlay function within libheif/pixelimage.cc. This occurs when compositing an overlay image where the child image uses a different bit depth fo...

libheif 安全漏洞

LibHEIF is a open-source decoder and encoder for the ISO/IEC 23008-12:2017 HEIF file format developed by Struktur. Versions of LibHEIF prior to 1.21.2 contain security vulnerabilities. These vulnerabilities stem from a heap buffer overflow in the MaskImageCodec::decodemaskimage function, where no...

libheif 信息泄露漏洞

LibHEIF is a open-source decoder and encoder for the ISO/IEC 23008-12:2017 HEIF file format developed by Struktur. Versions of LibHEIF prior to 1.21.2 contained a vulnerability known as information leakage. This vulnerability occurred when decoding grid images, where tile regions that failed to...

PT-2026-42003

Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.22.0 Description A heap-buffer-overflow write exists in the grid tile compositing of this HEIF and AVIF file format decoder and encoder. A remote attacker can write 64 bytes of fully controlled data beyond the end o...

SUSE SLED15 / SLES15 Security Update : libheif (SUSE-SU-2026:1660-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1660-1 advisory. - CVE-2026-3949: Manipulation of the argument size of a malicious frame can lead to out-of-bounds read bsc1259541...

Security update for libheif

This update for libheif fixes the following issues: CVE-2026-3949: Manipulation of the argument size of a malicious frame can lead to out-of-bounds read bsc1259541. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper...

SUSE-SU-2026:1660-1 Security update for libheif

This update for libheif fixes the following issues: - CVE-2026-3949: Manipulation of the argument size of a malicious frame can lead to out-of-bounds read bsc1259541...

Low: libheif

Issue Overview: A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdecpushdata2 of the file libheif/plugins/decodervvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs...

Amazon Linux 2023 : heif-pixbuf-loader, libheif, libheif-devel (ALAS2023-2026-1509)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1509 advisory. A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdecpushdata2 of the file libheif/plugins/decodervvdec.cc of the component HEIF File Parser. Executing a...

OPENSUSE-SU-2026:10460-1 gdk-pixbuf-loader-libheif-1.21.2-2.1 on GA media

These are all security issues fixed in the gdk-pixbuf-loader-libheif-1.21.2-2.1 package on the GA media of openSUSE Tumbleweed...

Advisory ROSA-SA-2026-3256

software: libheif 1.12.0 WASP: ROSA-CHROME unaffected versions = libheif-1.12.0-6 affected versions libheif-1.12.0-6 CVE-ID: CVE-2025-68431 BDU-ID: None CVE-Crit: MEDIUM CVE-DESC.: In libheif HEIF/AVIF decoder/encoder before 1.21.0, when processing a specially formed HEIF with an overlay element ...

CVE-2026-3949

A flaw was found in libheif. This vulnerability allows a local attacker to trigger an out-of-bounds read by manipulating the size argument in the vvdecpushdata2 function. This could lead to a denial of service DoS...

SUSE CVE-2026-3949

A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdecpushdata2 of the file libheif/plugins/decodervvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched...

SUSE CVE-2026-3950

A vulnerability was identified in strukturag libheif up to 1.21.2. This impacts the function Track::load of the file libheif/sequences/track.cc of the component stsz/stts. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and...