HIGH 7.8 NVD
CVE-2026-112257
A flaw was found in GIMP. The PSD thumbnail resource loader performs a BGR-to-RGB channel swap with a fixed 3-byte stride and does not verify that the JPEG thum
A flaw was found in GIMP. The PSD thumbnail resource loader performs a BGR-to-RGB channel swap with a fixed 3-byte stride and does not verify that the JPEG thumbnail is RGB. A crafted grayscale PSD thumbnail can cause a heap out-of-bounds read and write in the plug-in process, leading to a crash and potentially arbitrary code execution when the victim browses or opens the file.
References
- https://access.redhat.com/security/cve/CVE-2026-112257
- https://bugzilla.redhat.com/show_bug.cgi?id=2555574
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-10-19 via NVD.
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