CVE-2026-110599 L-SMASH - Use After Free

L-SMASH through 2.14.5 contains a use-after-free vulnerability caused by double free in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c, letting attackers cause heap corruption and crashes by supplying crafted Annex-B streams, exploit requires crafted input stream.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-415

Vendor fix

Update to the latest version beyond 2.14.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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