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Back to active CVEs
High · CVSS 7.1CVE-2026-66759

Gimp: out-of-bounds read in file-icns plugin causes information disclosure or crash on crafted icns imagesCVE-2026-66759

Answer in brief

CVE-2026-66759 records a High severity (CVSS 7.1) vulnerability in Gimp: out-of-bounds read in file-icns plugin causes information disclosure or crash on crafted icns images. The current sources do not mark it as known exploited. The current feed maps GNOME/gimp (generic), GNOME/GIMP (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 27, 2026Updated Aug 24, 2026Source checked Nov 4, 2026First seen by HOL Aug 3, 2026Material review Aug 24, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
8 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GNOME/gimp (generic), GNOME/GIMP (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:gimp:gimp:3.0.8:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:gimp:gimp:3.2.4:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
GNOME/gimpgeneric>=2.99.14 <**
GNOME/GIMPgeneric>=2.99.14 <**

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GNOME/gimp, GNOME/GIMP.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this vulnerability, do not open ICNS files from untrusted sources with GIMP.

Evidence timeline and material changes

  1. Published upstream

    Jul 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 3, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencegitlab.gnome.org
Upstream source description

A flaw was found in the file-icns plugin in GIMP. When applying a decompressed mask during ICNS image processing, the plugin reads from the mask data buffer without verifying if the cursor exceeds the allocated resource size. If a crafted file contains a truncated mask resource, the icns_decompress function continues reading past the bounds of the buffer. This out-of-bounds read vulnerability results in information disclosure of heap contents, where memory contents are leaked as alpha channel pixel values, or a crash leading to a denial of service if unmapped memory is accessed.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Inverted memory-permission check in the RTIO syscall verifier allows a user-mode thread to read and write arbitrary kernel memoryAlso CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Nov 4, 2026
References
4 linked sources
Open source record