CVE-2026-3949
strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds
LOW 1.9EPSS 0.2%
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.
- Affected
- strukturag · libheif
- CVSS v4.0 VULDB
- 1.9 LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 3.3 LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS v2.0 VULDB
- 1.7 LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P - EPSS
- 0.17% chance of exploitation in the next 30 days, 5th percentile
- Published
- 2026-03-11
Proof-of-concept exploits (1)
- biniamf/pocs/tree/main/libheif_vvdec0★ · 2026-10-10