4.8
Medium
CVE-2026-3950 A vulnerability was identified in strukturag libheif up to 1.21.2
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| libheif 1.21 | 1.21.0 → 1.21.2 | No fix stated |
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