← back
CVE-2026-3949

strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds

CVSS 4.8 MEDIUMEPSS 0.1%CWE-119CWE-125
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
11 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
strukturag · libheif

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://github.com/biniamf/pocs/tree/main/libheif_vvdechttps://github.com/strukturag/libheif/https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03https://github.com/strukturag/libheif/issues/1712https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531https://vuldb.com/?ctiid.350381https://vuldb.com/?id.350381https://vuldb.com/?submit.765979