A flaw was found in GIMP's PSD file format plugin.
CVE-2026-59090
A flaw was found in GIMP's PSD file format plugin. This vulnerability, an unsigned integer underflow in the blockrem variable, occurs when a user opens a specially crafted .psd image file. The underflow leads to parser confusion, enabling an attacker to inject arbitrary data as layer resource blocks. This can ultimately result in arbitrary code execution, allowing the attacker to run malicious code on the victim's system.
Assessment
- CVSS
- 8.4 (v3.1)
- Severity
- High
- EPSS
- 0.65% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 10 August 2026
- Last updated
- 2 November 2026
- Affected
- Red Hat · Red Hat Enterprise Linux 9 · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions · Red Hat Enterprise Linux 9.6 Extended Update Support
- Assigner
- redhat
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
At the source
References
- https://access.redhat.com/errata/RHSA-2026:61587
- https://access.redhat.com/errata/RHSA-2026:73768
- https://access.redhat.com/errata/RHSA-2026:80509
- https://access.redhat.com/errata/RHSA-2026:93589
- https://access.redhat.com/security/cve/CVE-2026-59090
- https://bugzilla.redhat.com/show_bug.cgi?id=2496584
- https://gitlab.gnome.org/GNOME/gimp/-/work_items/16509
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