What is CVE-2025-26311?

CVE-2025-26311 is a medium-severity vulnerability in Libming, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2025-02-20.

How severe is CVE-2025-26311?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Libming

CVE-2025-26311

Multiple memory leaks have been identified in the clip actions parsing functions (parseSWF_CLIPACTIONS and parseSWF_CLIPACTIONRECORD) in util/parser.c of libming v0.4.8, which allow attackers to cause a denial of service via a crafted SWF file.

Published 2025-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Libming — versions 0.4.8

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/libming/libming/issues/329 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-26311?: CVE-2025-26311 is a medium-severity vulnerability in Libming, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2025-02-20.
How severe is CVE-2025-26311?: Medium severity. CVSS v3 base score is 6.5 out of 10.