Untriaged
Permalink
CVE-2026-3950
3.3 LOW
- CVSS version: 3.1
- Attack vector (AV):
- Attack complexity (AC):
- Privileges required (PR):
- User interaction (UI):
- Scope (S):
- Confidentiality impact (C):
- Integrity impact (I):
- Availability impact (A):
strukturag libheif stsz/stts track.cc load out-of-bounds
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 might be used. Applying a patch is the recommended action to fix this issue. The patch available is inofficial and not approved yet.
References
- VDB-350382 | strukturag libheif stsz/stts track.cc load out-of-bounds vdb-entry technical-description
- VDB-350382 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #766431 | strukturag libheif 1.21.2 Out-of-Bounds Read third-party-advisory
- https://github.com/strukturag/libheif/issues/1715 issue-tracking
- https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob exploit
- https://github.com/strukturag/libheif/pull/1721 issue-tracking patch
- https://github.com/strukturag/libheif/ product
Affected products
libheif
- ==1.21.0
- ==1.21.2
- ==1.21.1
Package maintainers
-
@kuflierl Kennet Flierl <kuflierl@gmail.com>