Description
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.
Metrics
CVSS 3.1 3.3/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| strukturag | libheif | 1.21.0; 1.21.1; 1.21.2 |
References
- https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob
- https://github.com/strukturag/libheif/
- https://github.com/strukturag/libheif/issues/1715
- https://github.com/strukturag/libheif/pull/1721
- https://vuldb.com/?ctiid.350382
- https://vuldb.com/?id.350382
- https://vuldb.com/?submit.766431
Timeline
- Published
- Mar 11, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Deferred