What is CVE-2026-2889?

CVE-2026-2889 is a low-severity vulnerability in Ccextractor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-02-21.

How severe is CVE-2026-2889?

Low severity. CVSS v3 base score is 3.3 out of 10.

Buffer overflow in Ccextractor

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.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

N/a Ccextractor — versions 0.96.0, 0.96.1, 0.96.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (exploit)
cna@vuldb.com (patch)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-2889?: CVE-2026-2889 is a low-severity vulnerability in Ccextractor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-02-21.
How severe is CVE-2026-2889?: Low severity. CVSS v3 base score is 3.3 out of 10.