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...

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 a security vulnerability. This vulnerability stems from an infinite loop in Boxstts::getsampleduration, which consumes 100% of the CPU...

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...

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...

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...

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...

The vulnerability of the Track::load() function in the stsz/stts component of the file format decoder and encoder library libheif allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the Track::load function in the stsz/stts component of the file format decoder and encoder library libheif is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to gain unauthorized access to protected...

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...