High severity7.1NVD Advisory· Published Oct 14, 2026· Updated Oct 14, 2026
CVE-2026-110599
CVE-2026-110599
Description
L-SMASH through 2.14.5 contains a double free vulnerability in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c that frees borrowed codec-specific objects on error paths. Attackers can supply a crafted Annex-B elementary stream lacking a parseable SPS to lsmash_read_file() or the boxdumper, remuxer, or muxer tools, causing use-after-free, heap corruption, and crashes.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.cnvd
- github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.cnvd
- hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-freenvd
- hackmd.io/@haind-pwn/l-smash-hevc-importer-double-freenvd
- www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probenvd
News mentions
0No linked articles in our index yet.