CVE-2026-2044

Summary

GIMP PGM File Parsing Uninitialized Memory Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of PGM files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28158.

Affected Software

Weaknesses

• CWE-908: CWE-908: Use of Uninitialized Resource

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

gimp: GIMP: Remote Code Execution via uninitialized memory in PGM file parsing

Additional References

• https://access.redhat.com/security/cve/CVE-2026-2044
• https://bugzilla.redhat.com/show_bug.cgi?id=2441521
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2044.json
• https://access.redhat.com/errata/RHSA-2026:5113
• https://access.redhat.com/errata/RHSA-2026:5435
• https://access.redhat.com/errata/RHSA-2026:5436
• https://access.redhat.com/errata/RHSA-2026:5434
• https://access.redhat.com/errata/RHSA-2026:5437
• https://access.redhat.com/errata/RHSA-2026:5390
• https://access.redhat.com/errata/RHSA-2026:5389
• https://access.redhat.com/errata/RHSA-2026:5391
• https://access.redhat.com/errata/RHSA-2026:5388
• https://access.redhat.com/errata/RHSA-2026:4173

References

• https://www.zerodayinitiative.com/advisories/ZDI-26-118/
• https://gitlab.gnome.org/GNOME/gimp/-/merge_requests/2569/diffs?commit_id=112a5e038f0646eae5ae314988ec074433d2b365

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