High severity7.8NVD Advisory· Published Oct 14, 2026· Updated Oct 14, 2026
CVE-2017-20286
CVE-2017-20286
Description
DevIL through 1.8.0 contains a heap-based buffer overflow in iGetPalette() in il_gif.cpp that allows attackers to write beyond a 768-byte palette buffer when loading GIF images. Attackers can supply a crafted two-frame GIF whose second frame uses disposal method 1 with a local colour table, writing up to 384 controlled bytes past the heap allocation and possibly executing code.
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/DentonW/DevIL/blob/a2d9193fed0c7f93519c0c4c28b3348e0cb5759b/DevIL/src-IL/src/il_gif.cppnvd
- github.com/DentonW/DevIL/blob/a2d9193fed0c7f93519c0c4c28b3348e0cb5759b/DevIL/src-IL/src/il_gif.cppnvd
- github.com/DentonW/DevIL/issues/67nvd
- hackmd.io/@haind-pwn/devil-gif-palette-reuse-heap-overflownvd
- www.vulncheck.com/advisories/devil-through-1.8.0-heap-buffer-overflow-via-gif-igetpalettenvd
News mentions
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