boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-110599

L-SMASH through 2.14.5 Double Free in HEVC and H.264 Importer Probe
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   L   L   N   N   P   N   H   H    6.9   .0024   14.5     —
AFFECTED
  Product  Versions     Fixed
  l-smash  unspecified  —
TIMELINE
  Oct 14  EXPLOIT PUBLISHED — CVE-2026-110599 (l-smash). Public exploit reference added.
  Oct 14  Reserved by VulnCheck
  Oct 14  Published (CNA: VulnCheck)
CWE-415 · CNA: VulnCheck · CVSS v4.0 · 5 references · NVD status: Deferred

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.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
October 14, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-110599 (l-smash). Public exploit reference added.
October 14, 2026ReservedReserved by VulnCheck
October 14, 2026PublishedPublished (CNA: VulnCheck)

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
l-smashl-smash———

Weaknesses

CWE-415

References (5)

Related

Authoritative record: CVE-2026-110599 at cve.org

Vendors: l-smash

Weaknesses: CWE-415

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-110599 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.