What is CVE-2026-40918?

CVE-2026-40918 is a medium-severity vulnerability in Gimp, classified under Incorrect Calculation of Buffer Size. CVSS score: 5.5/10. Published 2026-04-15.

How severe is CVE-2026-40918?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Gimp

CVE-2026-40918

A flaw was found in GIMP. Processing a specially crafted PVR image file with large dimensions can lead to a denial of service (DoS). This occurs due to a stack-based buffer overflow and an out-of-bounds read in the PVR image loader, causin…

EPSS: 0.000 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Gimp
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Redhat Enterprise_linux — versions 6.0, 7.0, 8.0

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
RHBZ#2458747 (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-40918?: CVE-2026-40918 is a medium-severity vulnerability in Gimp, classified under Incorrect Calculation of Buffer Size. CVSS score: 5.5/10. Published 2026-04-15.
How severe is CVE-2026-40918?: Medium severity. CVSS v3 base score is 5.5 out of 10.