CVE-2012-5580

Exp

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.

Published: 2014-10-27 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-5580 is rated High Exploit Risk (77.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.12%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.32% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-5580

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-5580

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.80% 3.12% +2.32%
2 2025-04-04 0.54% 0.80% +0.26%
3 2025-03-30 — 0.54% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5580

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2012-5580

OS Trackers for CVE-2012-5580

vendor priority summary link
debian low CVE-2012-5580 low priority: Debian including 1 source packages (libproxy), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-5580
redhat low — https://access.redhat.com/security/cve/CVE-2012-5580
ubuntu low CVE-2012-5580 low priority: Ubuntu including 1 source packages (libproxy), 7 status rows across 7 suites (hardy, lucid, oneiric, precise, quantal, raring, upstream): not-affected 3, ignored 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2012-5580

Affected software / configurations for CVE-2012-5580

Vendor Product Version Raw CPE
libproxy_project libproxy 0.3.1 cpe:2.3:a:libproxy_project:libproxy:0.3.1:*:*:*:*:*:*:*

References for CVE-2012-5580

cvelogic Threat Intelligence