Vulnerability · Published Feb 21, 2026 · Assigned by VulDB
CVE-2026-2889CCExtractor mp4.c processmp4 use after free
Low 3.3
In plain English
A low-severity use-after-free in CCExtractor. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | ccextractor | no fix listed | UBUNTU-CVE-2026-2889 |
| Ubuntu:24.04:LTS | ccextractor | no fix listed | UBUNTU-CVE-2026-2889 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | CCExtractor | 0.96.00.96.10.96.20.96.30.96.40.96.5 |
Weakness: CWE-416, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-347182 | CCExtractor mp4.c processmp4 use after free vdb-entry, technical-description
- VDB-347182 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #755029 | CCExtractor ccextractor c65fb08 Memory Corruption third-party-advisory
- https://github.com/CCExtractor/ccextractor/issues/2055 issue-tracking
- https://github.com/CCExtractor/ccextractor/pull/2057 issue-tracking
- https://github.com/oneafter/0123/blob/main/cc3/repro exploit
- https://github.com/CCExtractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925 patch
- https://github.com/CCExtractor/ccextractor/releases/tag/v0.96.6 patch
- https://github.com/CCExtractor/ccextractor/ product