CVE-2012-5580: Libproxy Project Libproxy

High severity, CVSS 7.5. EPSS: 3.1% chance of exploitation in the next 30 days.

Format string vulnerability in the print_proxies function in bin/proxy.c in libproxy 0.3.1 might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in a proxy name, as demonstrated using the http_proxy environment variable or a PAC file.

Affected products

• Libproxy Project Libproxy: version 0.3.1 only

Published 2014-10-27. Last modified 2026-06-16.