← Back to CVEs

CVE-2026-3950

LOW

3.3

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.

CVE Details

CVSS v3.1 Score3.3

SeverityLOW

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/11/2026

Last Modified3/12/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-125

References

https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob(cna@vuldb.com)

https://github.com/strukturag/libheif/(cna@vuldb.com)

https://github.com/strukturag/libheif/issues/1715(cna@vuldb.com)

https://github.com/strukturag/libheif/pull/1721(cna@vuldb.com)

https://vuldb.com/?ctiid.350382(cna@vuldb.com)

https://vuldb.com/?id.350382(cna@vuldb.com)

https://vuldb.com/?submit.766431(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.