{"id":"CVE-2013-1839","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-1839","generatedAt":"2026-11-05T07:20:23.534Z","title":"The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a \",\" character in an Accept-Language header.","description":"The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a \",\" character in an Accept-Language header.","published":"2013-09-30T22:55:05.000Z","lastModified":"2026-06-16T23:52:13.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-20"],"affected":["squid-cache/squid"],"epss":{"score":0.17396,"percentile":0.97131,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 17.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html","source":"secalert@redhat.com"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52588","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/03/11/7","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/58316","source":"secalert@redhat.com"},{"url":"http://www.squid-cache.org/Advisories/SQUID-2013_1.txt","source":"secalert@redhat.com"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52588","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2013/03/11/7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/58316","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.squid-cache.org/Advisories/SQUID-2013_1.txt","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-1839","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."}