A vulnerability was detected in CCExtractor up to 0.96.5. Affected is the function processmp4 in the library src/lib_ccx/mp4.c. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 0.96.6 is able to address this issue. The patch is named fd7271bae238ccb3ae8a71304ea64f0886324925. You should upgrade the affected component.
https://vuldb.com/?submit.755029
https://vuldb.com/?ctiid.347182
https://github.com/oneafter/0123/blob/main/cc3/repro
https://github.com/CCExtractor/ccextractor/releases/tag/v0.96.6
https://github.com/CCExtractor/ccextractor/pull/2057
https://github.com/CCExtractor/ccextractor/issues/2055
https://github.com/CCExtractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925
Published: 2026-02-21
Updated: 2026-02-21
Base Score: 1.7
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P
Severity: Low
Base Score: 3.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Severity: Low
Base Score: 4.8
Vector: 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
Severity: Medium