A flaw was found in GIMP's ICO file loader.
CVE-2026-90948
A flaw was found in GIMP's ICO file loader. When processing an ICO file containing an embedded PNG image, an integer overflow can occur during the calculation of the required buffer size. This leads to an undersized buffer being allocated, causing a heap-based buffer overflow when the decoded pixel data is written. A remote attacker could exploit this by crafting a malicious ICO file, which, when opened, could lead to arbitrary code execution or a crash.
Assessment
- CVSS
- 7.8 (v3.1)
- Severity
- High
- EPSS
- 0.23% 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
- 14 September 2026
- Last updated
- 2 November 2026
- Affected
- Red Hat · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 9 · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
- Assigner
- redhat
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
At the source
References
- https://access.redhat.com/errata/RHSA-2026:75575
- https://access.redhat.com/errata/RHSA-2026:84744
- https://access.redhat.com/errata/RHSA-2026:93589
- https://access.redhat.com/security/cve/CVE-2026-90948
- https://bugzilla.redhat.com/show_bug.cgi?id=2533008
- https://gitlab.gnome.org/GNOME/gimp/-/work_items/16742
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