{"schemaVersion":3,"id":"CVE-2026-3949","aliases":["UBUNTU-CVE-2026-3949","DEBIAN-CVE-2026-3949","openSUSE-SU-2026:10460-1"],"status":"published","duplicateOf":null,"title":null,"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. 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