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CVE-2026-3949

LOW

3.3

Description

A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.

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/biniamf/pocs/tree/main/libheif_vvdec(cna@vuldb.com)

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

https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03(cna@vuldb.com)

https://github.com/strukturag/libheif/issues/1712(cna@vuldb.com)

https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531(cna@vuldb.com)

https://vuldb.com/?ctiid.350381(cna@vuldb.com)

https://vuldb.com/?id.350381(cna@vuldb.com)

https://vuldb.com/?submit.765979(cna@vuldb.com)

IOC Correlations

No correlations recorded

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