What is CVE-2025-61146?

CVE-2025-61146 is a medium-severity vulnerability in Saitoha Libsixel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 4.0/10. Published 2026-02-23.

How severe is CVE-2025-61146?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Saitoha Libsixel

CVE-2025-61146

saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.

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

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Saitoha Libsixel
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cve@mitre.org (Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-61146?: CVE-2025-61146 is a medium-severity vulnerability in Saitoha Libsixel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 4.0/10. Published 2026-02-23.
How severe is CVE-2025-61146?: Medium severity. CVSS v3 base score is 4.0 out of 10.