What is CVE-2026-25638?

CVE-2026-25638 is a medium-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-02-24.

How severe is CVE-2026-25638?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Imagemagick

CVE-2026-25638

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, memory leak exists in `coders/msl.c`. In the `WriteMSLImage` function of the `msl.c` file, resources are allocated. But the function returns early without releasing these allocated resources. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

EPSS: 0.003 (25.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Imagemagick — versions >= 7.0.0, < 7.1.2-15, < 6.9.13-40

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25638?: CVE-2026-25638 is a medium-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-02-24.
How severe is CVE-2026-25638?: Medium severity. CVSS v3 base score is 5.3 out of 10.