CVE-2026-4887: Gimp: gimp:memory disclosure and denial of service via specially crafted pcx image

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-26 · updated 2026-06-17
Weakness: CWE-193

Description

A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory disclosure and a possible application crash, resulting in a Denial of Service (DoS).

Affected products

GIMP: before 3.2.0; 3.2.0-rc1, 3.2.0-rc2, 3.2.0-rc3 — fixed in 3.2.0

How to fix

Upgrade to a fixed version: GIMP 3.2.0. Check the vendor advisory for mitigations.

References

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