CVE-2026-3950

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.

References

https://vuldb.com/?submit.766431

https://vuldb.com/?id.350382

https://vuldb.com/?ctiid.350382

https://github.com/strukturag/libheif/pull/1721

https://github.com/strukturag/libheif/issues/1715

https://github.com/strukturag/libheif/

https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS