CVE-2026-3949
4.8
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| strukturag | libheif | 1.21.0 | affected |
| strukturag | libheif | 1.21.1 | affected |
| strukturag | libheif | 1.21.2 | affected |
Weaknesses
- CWE-125: Out-of-Bounds Read
- CWE-119: Memory Corruption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://vuldb.com/?id.350381
- https://vuldb.com/?ctiid.350381
- https://vuldb.com/?submit.765979
- https://github.com/strukturag/libheif/issues/1712
- https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531
- https://github.com/biniamf/pocs/tree/main/libheif_vvdec
- https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03
- https://github.com/strukturag/libheif/
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