CVE-2026-42500: medium-severity vulnerability in golang.org/x/image/bmp
Panic when reading out of bound palette index in golang.org/x/image/bmp
Published
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
golang.org/x/image · golang.org/x/image/bmp