CVE-2026-2889
CCExtractor mp4.c processmp4 use after free
- State
- Published
- Severity
- 4.8 Medium
- Published
- Feb 21, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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/E:P | VulDB |
| 3.1 | 3.3 Low | 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 | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CCExtractorn/a |
|
References
- VDB-347182 | CCExtractor mp4.c processmp4 use after freevdb-entrytechnical-description
- VDB-347182 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #755029 | CCExtractor ccextractor c65fb08 Memory Corruptionthird-party-advisory
- https://github.com/CCExtractor/ccextractor/issues/2055issue-tracking
- https://github.com/CCExtractor/ccextractor/pull/2057issue-tracking
- https://github.com/oneafter/0123/blob/main/cc3/reproexploit
- https://github.com/CCExtractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925patch
- https://github.com/CCExtractor/ccextractor/releases/tag/v0.96.6patch
- https://github.com/CCExtractor/ccextractor/product
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