{"id":"CVE-2011-4971","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4971","generatedAt":"2026-11-05T07:17:06.740Z","title":"Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of…","description":"Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.","published":"2013-12-12T18:55:04.000Z","lastModified":"2026-06-16T23:35:45.000Z","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-189"],"affected":["memcached/memcached"],"epss":{"score":0.22317,"percentile":0.97695,"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 22.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://insecurety.net/?p=872","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/56183","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2014/dsa-2832","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:280","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/59567","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2080-1","source":"secalert@redhat.com"},{"url":"https://code.google.com/p/memcached/issues/detail?id=192","tags":["Exploit","Patch"],"source":"secalert@redhat.com"},{"url":"https://puppet.com/security/cve/cve-2011-4971","source":"secalert@redhat.com"},{"url":"http://insecurety.net/?p=872","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56183","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-2832","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:280","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/59567","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2080-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://code.google.com/p/memcached/issues/detail?id=192","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://puppet.com/security/cve/cve-2011-4971","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4971","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."}