CVE-2012-4504

critical
Published 2012-11-11 · Modified 2026-04-29
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-4504

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51048

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://code.google.com/p/libproxy/source/detail?r=853

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiansidfixed0
debian debiantrixiefixed0

Application impact

VendorProductVersionsFixed
libproxy_projectlibproxy0.4.0
libproxy_projectlibproxy0.4.1
libproxy_projectlibproxy0.4.2
libproxy_projectlibproxy0.4.3
libproxy_projectlibproxy0.4.5
libproxy_projectlibproxy0.4.6
libproxy_projectlibproxy0.4.7
libproxy_projectlibproxy0.4.8

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.