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Vulnerability record · CVE-2026-58379 · published 3 July 2026

CVE-2026-58379: Heap-based buffer overflow vulnerability

A flaw was found in GIMP's Paint Shop Pro (PSP) file format parser. This heap buffer overflow vulnerability allows a remote attacker to cause arbitrary code execution or a denial of service (DoS) by tricking a user into opening a specially crafted PSP image file. The vulnerability occurs because the software incorrectly calculates buffer sizes when processing low bit-depth images, leading to an overwrite of adjacent memory.

7.3 CVSS 3.1 High EPSS 0.33% · top 76.8% CWE-122 · Heap-based buffer overflow Undergoing Analysis
7.3CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
13 Jul 2026Last modified by NVD

Description

A flaw was found in GIMP's Paint Shop Pro (PSP) file format parser. This heap buffer overflow vulnerability allows a remote attacker to cause arbitrary code execution or a denial of service (DoS) by tricking a user into opening a specially crafted PSP image file. The vulnerability occurs because the software incorrectly calculates buffer sizes when processing low bit-depth images, leading to an overwrite of adjacent memory.

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:38496
https://access.redhat.com/security/cve/CVE-2026-58379
https://bugzilla.redhat.com/show_bug.cgi?id=2495997
https://gitlab.gnome.org/GNOME/gimp/-/commit/b630f167
https://gitlab.gnome.org/GNOME/gimp/-/issues/16205

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Source: NIST National Vulnerability Database (record CVE-2026-58379), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.