Medium (6.3) in squid-cache squid. EPSS 6.3% chance of exploitation in the next 30 days.
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This error can lead to a Denial of Service attack.
Severity
CVSS 3.1
6.3 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
6.3% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)