xvpng.c in xv 3.10a has memory corruption (out-of-bounds write) when decoding PNG comment fields, leading to crashes or potentially code execution, because it uses an incorrect length value.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)