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Vulnerabilities CVE-2026-42170

CVE-2026-42170

High
Open
TLP:CLEAR

Gimp: gimp dds plug-in heap-based buffer overflow via bpp mismatch in load_layer() (ddsread.c)

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Description

A heap-based buffer overflow vulnerability exists in the GIMP DDS (DirectDraw Surface) file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel (bpp) value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the real format's stride causes a write past the heap buffer boundary, leading to heap metadata corruption and potential code execution.

Details

CVSS Score
7.8
EPSS Score
0.19%

8.6th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Confidence
90%
Published
Aug 8, 2026
Last Modified
Aug 11, 2026
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