What is CVE-2025-61145?

CVE-2025-61145 is a medium-severity vulnerability in Libtiff, classified under Double Free. CVSS score: 5.0/10. Published 2026-02-23.

How severe is CVE-2025-61145?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Double Free in Libtiff

CVE-2025-61145

libtiff up to v4.7.1 was discovered to contain a double free via the component tools/tiffcrop.c.

Vulnerability class: Double Free

Published 2026-02-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Libtiff

Weakness classification (CWE)

CWE-415 — Double Free

References

gitlab.com/libtiff/libtiff/-/issues/736 (Exploit, Issue Tracking)
gitlab.com/libtiff/libtiff/-/merge_requests/753 (Issue Tracking)
gist.github.com/optionGo/062f109569196dbffd8ac12020b42289 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-61145?: CVE-2025-61145 is a medium-severity vulnerability in Libtiff, classified under Double Free. CVSS score: 5.0/10. Published 2026-02-23.
How severe is CVE-2025-61145?: Medium severity. CVSS v3 base score is 5.0 out of 10.