CVE-2026-40916: Gimp: gimp: denial of service due to stack buffer overflow in tim image loader

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-15 · updated 2026-10-26
Weakness: CWE-787

Description

A flaw was found in GIMP. A stack buffer overflow vulnerability in the TIM image loader's 4BPP decoding path allows a local user to cause a Denial of Service (DoS). By opening a specially crafted TIM image file, the application crashes due to an unconditional overflow when writing to a variable-length array.

Affected products

GIMP: all versions
Red Hat Enterprise Linux: 6.0, 7.0, 8.0, 9.0

References

https://access.redhat.com/security/cve/CVE-2026-40916
https://bugzilla.redhat.com/show_bug.cgi?id=2458745

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