{"schemaVersion":3,"id":"CVE-2010-4777","aliases":["DEBIAN-CVE-2010-4777"],"status":"published","duplicateOf":null,"title":null,"description":"The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.","dates":{"published":"2014-02-10T17:00:00.000Z","modified":"2024-08-07T03:55:35.106Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.06018,"percentile":0.93309,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.06018},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.06018,"percentile":0.93309}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06018,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.06018,"percentile":0.93309}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"35489","name":"Perl 5.x - 'Perl_reg_numbered_buff_fetch()' Remote Denial of Service","source":"exploit-database","url":"https://www.exploit-db.com/exploits/35489","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["multiple"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"multiple","file":"exploits/multiple/dos/35489.pl","codes":["CVE-2010-4777","OSVDB-74745"]},"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"debian","product":"perl","name":"perl","label":"perl","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/perl","purlType":"deb","versions":[{"text":"< 5.20.1-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.20.1-1","eol":null,"hubHref":null},{"vendor":"perl","product":"perl","name":"perl","label":"perl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"5.10","noFixRecorded":false,"fixedIn":null},{"text":"5.12.0","noFixRecorded":false,"fixedIn":null},{"text":"5.14.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.10 | 5.12.0 | 5.14.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"perl","label":"Perl","category":"lang"}},"hubHref":"/vendor/perl/perl"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html","label":"lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"https://listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.html","label":"listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.html","hostname":"listi.jpberlin.de","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=694166","label":"bugzilla.redhat.com/show_bug.cgi?id=694166","hostname":"bugzilla.redhat.com","tags":["X Refsource MISC"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836","label":"bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836","hostname":"bugs.debian.org","tags":["X Refsource MISC"]},{"url":"http://forums.ocsinventory-ng.org/viewtopic.php?id=7215","label":"forums.ocsinventory-ng.org/viewtopic.php?id=7215","hostname":"forums.ocsinventory-ng.org","tags":["X Refsource MISC"]},{"url":"https://rt.perl.org/Public/Bug/Display.html?id=76538","label":"rt.perl.org/Public/Bug/Display.html?id=76538","hostname":"rt.perl.org","tags":["X Refsource CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2011-05/msg00025.html","label":"lists.opensuse.org/opensuse-updates/2011-05/msg00025.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4777","label":"security-tracker.debian.org/tracker/CVE-2010-4777","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2024:10449-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:10449-1"]},"timeline":[{"kind":"published","date":"2014-02-10T17:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T03:55:35.106Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T07:50:38.661Z","stale":false,"partial":false}}