{"id":"CVE-2013-0242","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-0242","generatedAt":"2026-10-27T18:48:47.564Z","title":"Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte…","description":"Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.","published":"2013-02-08T20:55:01.000Z","lastModified":"2026-06-16T23:49:02.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-119"],"affected":["gnu/glibc"],"epss":{"score":0.02851,"percentile":0.86621,"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":"low","text":"Lower severity and a low EPSS score (2.85%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://osvdb.org/89747","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0769.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1605.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51951","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/55113","source":"secalert@redhat.com"},{"url":"http://sourceware.org/bugzilla/show_bug.cgi?id=15078","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:163","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/01/30/5","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/57638","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1028063","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1991-1","source":"secalert@redhat.com"},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0008.html","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/81707","source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/201503-04","source":"secalert@redhat.com"},{"url":"http://osvdb.org/89747","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0769.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1605.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51951","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/55113","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://sourceware.org/bugzilla/show_bug.cgi?id=15078","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:163","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2013/01/30/5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/57638","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1028063","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1991-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0008.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/81707","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201503-04","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-0242","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."}