Is CVE-2026-4887 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-4887 being exploited in the wild.

How severe is CVE-2026-4887?

Medium severity, with a CVSS score of 6.1, published 26 March 2026.

Which products and versions are affected?

GNOME GIMP versions up to (excluding) 3.2.0; Red Hat Enterprise Linux 8.0; Red Hat Enterprise Linux 9.0.

Is there a fix for CVE-2026-4887?

A patch was published on 2026-05-12: Red Hat released initial security updates (RHSA-2026:16484) Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-4887 attacked?

It is attacked with local access, in a network appliance.

Am I affected by CVE-2026-4887?

Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-4887: GIMP heap buffer over-read in PCX file loader

CVE-2026-4887 · Severity: medium · CVSS 6.1 · Published 2026-03-26

GIMP is a popular open-source image editing software used for photo retouching and image composition. A vulnerability in how it handles certain image files could allow an attacker to crash the application or potentially view sensitive information from the computer's memory. This occurs when a user is tricked into opening a specially crafted PCX image file.

Quick answers

Is CVE-2026-4887 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-4887 being exploited in the wild.
How severe is CVE-2026-4887?: Medium severity, with a CVSS score of 6.1, published 26 March 2026.
Which products and versions are affected?: GNOME GIMP versions up to (excluding) 3.2.0; Red Hat Enterprise Linux 8.0; Red Hat Enterprise Linux 9.0.
Is there a fix for CVE-2026-4887?: A patch was published on 2026-05-12: Red Hat released initial security updates (RHSA-2026:16484) Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-4887 attacked?: It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-4887?: Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An off-by-one error (CWE-193) exists in the GIMP PCX file loader component, leading to a heap buffer over-read. The vulnerability is triggered when the application parses a specially crafted PCX image file. While the attack requires local user interaction (opening the file), it can result in out-of-bounds memory disclosure or an application crash (Denial of Service). Red Hat has assigned a CVSS score of 6.1 (Medium), while NIST's assessment reached 7.1 (High). Patches are available in GIMP version 3.2.0 and via various Red Hat Enterprise Linux security advisories (RHSA-2026:16484, RHSA-2026:17533).

Affected products

GNOME GIMP versions up to (excluding) 3.2.0
Red Hat Enterprise Linux 8.0
Red Hat Enterprise Linux 9.0

Timeline

2026-03-26: disclosed: Initial disclosure date
2026-05-12: patched: Red Hat released initial security updates (RHSA-2026:16484)

References

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