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Vulnerability record · CVE-2026-42169 · published 4 August 2026

CVE-2026-42169: Redhat enterprise linux vulnerability

Redhat · Enterprise Linux

A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.

7.8 CVSS 3.1 High EPSS 0.13% · top 97.1% CWE-131 · CWE-131
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
5 Nov 2026Last modified by NVD

Description

A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:50817 Issue Tracking
https://access.redhat.com/errata/RHSA-2026:73768 Issue Tracking
https://access.redhat.com/errata/RHSA-2026:80509
https://access.redhat.com/errata/RHSA-2026:93589
https://access.redhat.com/security/cve/CVE-2026-42169 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2461725 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-42169), CISA KEV, FIRST EPSS (scores of 2026-11-13). This page is refreshed as NVD updates the record.