CVE-2012-5580: Format string vulnerability in the print_proxies function in bin/proxy.c in libproxy 0.3.1 might allow cont...

Security readout for executives and security teams

CVE-2012-5580 is an old libproxy 0.3.1 flaw where a crafted proxy name can crash the proxy-printing tool and may allow code execution in some contexts. Business urgency depends on whether legacy libproxy 0.3.1 is still present and whether proxy names can come from untrusted environment variables or PAC files. Likely exposure is limited to systems or applications using libproxy 0.3.1, especially where proxy configuration is influenced by environment variables or PAC data. The bundle does not identify affected downstream products beyond libproxy. Treat this as a legacy dependency risk rather than an internet-wide emergency. Prioritize confirmation and vendor patching where libproxy 0.3.1 remains deployed, especially on systems processing untrusted proxy configuration. Mitigation focus: Inventory systems for libproxy 0.3.1 or vendor packages referencing CVE-2012-5580.; Check Red Hat, Novell, or your OS vendor guidance for fixed package versions.; Upgrade libproxy through trusted vendor channels where updates are available..

Prepared

Jun 14, 2026, 06:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.