{"id":"CVE-2012-4504","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-4504","generatedAt":"2026-10-27T17:57:58.413Z","title":"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.","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.","published":"2012-11-11T13:00:49.000Z","lastModified":"2026-06-16T23:45:13.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":10,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["libproxy project/libproxy"],"epss":{"score":0.03476,"percentile":0.89013,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://code.google.com/p/libproxy/source/detail?r=853","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51048","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/12/1","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/12/5","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/16/3","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/55909","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1629-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=864417","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79249","source":"secalert@redhat.com"},{"url":"https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E","source":"secalert@redhat.com"},{"url":"http://code.google.com/p/libproxy/source/detail?r=853","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51048","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/12/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/12/5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/16/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/55909","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1629-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=864417","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79249","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-4504","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}