CVE-2026-42500None▾ SunlitPanic when reading out of bound palette index in golang.org/x/image/bmp
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 24.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
0.4% → 0.5%
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
golang.org/x/image < 0.41.0Upgrade to a patched release:
golang.org/x/image 0.41.0Connected by shared product, vendor, weakness, or advisory.
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