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Back to active CVEs
Medium · CVSS 6.1CVE-2026-82343

Gimp: heap out-of-bounds read and stack out-of-bounds access in psd loader from channel-count handlingCVE-2026-82343

Answer in brief

CVE-2026-82343 records a Medium severity (CVSS 6.1) vulnerability in Gimp: heap out-of-bounds read and stack out-of-bounds access in psd loader from channel-count handling. The current sources do not mark it as known exploited. The current feed maps GNOME/gimp (generic), Red Hat/gimp (generic), Red Hat/gimp:2.8/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 Aug 28, 2026Updated Sep 1, 2026Source checked Oct 13, 2026First seen by HOL Aug 28, 2026Material review Sep 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.1
Exploitation
Not marked as known exploited
Affected software
8 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.1. 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), Red Hat/gimp (generic), Red Hat/gimp:2.8/gimp (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:gimp:gimp:*:*:*:*:*:*:*:*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*Not reported
Red Hat/gimpgeneric*Not reported
Red Hat/gimp:2.8/gimpgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GNOME/gimp, Red Hat/gimp, Red Hat/gimp:2.8/gimp.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this vulnerability, do not open PSD files from untrusted sources with GIMP.

Evidence timeline and material changes

  1. Published upstream

    Aug 28, 2026

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

  2. Source modified

    Sep 1, 2026

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

  3. First seen by HOL

    Aug 28, 2026

Sources and claim methodology

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

A flaw was found in the file-psd plugin in GIMP. When processing a specially crafted PSD image file, the plugin does not properly validate the channel-count parameter. This incorrect validation leads to improper memory bounds checking, resulting in both a heap out-of-bounds read and a stack out-of-bounds access. This issue can result in an application crash, leading to a denial of service or a limited information disclosure of memory contents.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-120
Source
CVE List V5
Source checked
Oct 13, 2026
References
3 linked sources
Open source record