CVE-2026-2889
CVE-2026-2889 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-7528
- Weakness: CWE-119
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-2889?
- 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.
- How severe is CVE-2026-2889?
- CVE-2026-2889 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-2889 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-2889?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-2889 have an EU (EUVD) identifier?
- Yes. CVE-2026-2889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7528.
- When was CVE-2026-2889 published?
- CVE-2026-2889 was published on 2026-02-21 and last updated on 2026-06-17.
References
- https://github.com/CCExtractor/ccextractor/
- https://github.com/CCExtractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925
- https://github.com/CCExtractor/ccextractor/issues/2055
- https://github.com/CCExtractor/ccextractor/pull/2057
- https://github.com/CCExtractor/ccextractor/releases/tag/v0.96.6
- https://github.com/oneafter/0123/blob/main/cc3/repro
- https://vuldb.com/?ctiid.347182
- https://vuldb.com/?id.347182
- https://vuldb.com/?submit.755029
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