CVE-2012-4504

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-11 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Libproxy Project Libproxy: 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.5, 0.4.6 (+2)

References

http://code.google.com/p/libproxy/source/detail?r=853
http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html
http://secunia.com/advisories/51048
http://www.openwall.com/lists/oss-security/2012/10/12/1
http://www.openwall.com/lists/oss-security/2012/10/12/5
http://www.openwall.com/lists/oss-security/2012/10/16/3
http://www.securityfocus.com/bid/55909
http://www.ubuntu.com/usn/USN-1629-1
https://bugzilla.redhat.com/show_bug.cgi?id=864417
https://exchange.xforce.ibmcloud.com/vulnerabilities/79249
https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E
http://code.google.com/p/libproxy/source/detail?r=853

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