Medium severity6.1NVD Advisory· Published Jul 21, 2026· Updated Jul 27, 2026
CVE-2026-47178
CVE-2026-47178
Description
libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.19.0 through 1.21.2, a crafted HEIF file (uncompressed unci codec, tiled, component-interleaved, 4:2:0) triggers a heap out-of-bounds write in libheif's uncompressed tile decoder. The write overwrites the C++ vtable pointer of an adjacent unc_decoder_component_interleave object; the next virtual call dispatches to an attacker-chosen address. Version 1.22.0 patches the issue.
Affected products
5- Range: 1.19.0 - 1.21.2
- osv-coords4 versionspkg:rpm/opensuse/libheif&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/libheif&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libheif&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/libheif&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 1.23.0-160000.1.1+ 3 more
- (no CPE)range: < 1.23.0-160000.1.1
- (no CPE)range: < 1.22.2-1.1
- (no CPE)range: < 1.23.0-160000.1.1
- (no CPE)range: < 1.23.0-160000.1.1
Patches
Vulnerability mechanics
References
1- github.com/strukturag/libheif/security/advisories/GHSA-5x55-x5pf-9c6gnvdExploitVendor Advisory
News mentions
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