{"schemaVersion":3,"id":"CVE-2012-1181","aliases":["DEBIAN-CVE-2012-1181","DSA-2436-1"],"status":"published","duplicateOf":null,"title":null,"description":"fcgid_spawn_ctl.c in the mod_fcgid module 2.3.6 for the Apache HTTP Server does not recognize the FcgidMaxProcessesPerClass directive for a virtual host, which makes it easier for remote attackers to cause a denial of service (memory consumption) via a series of HTTP requests that triggers a process count higher than the intended limit.","dates":{"published":"2012-03-19T21:00:00.000Z","modified":"2024-08-06T18:53:35.665Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0481,"percentile":0.91874,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0481},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0481,"percentile":0.91874}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0481,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0481,"percentile":0.91874}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"apache","product":"mod_fcgid","name":"mod fcgid","label":"mod_fcgid","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.3.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3.6","eol":null,"hubHref":"/vendor/apache/mod_fcgid"},{"vendor":"debian","product":"libapache2-mod-fcgid","name":"libapache2-mod-fcgid","label":"libapache2-mod-fcgid","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libapache2-mod-fcgid","purlType":"deb","versions":[{"text":"< 1:2.3.6-1.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:2.3.6-1+squeeze1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:2.3.6-1.1 | < 1:2.3.6-1+squeeze1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/03/16/2","label":"www.openwall.com/lists/oss-security/2012/03/16/2","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/74181","label":"exchange.xforce.ibmcloud.com/vulnerabilities/74181","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.debian.org/security/2012/dsa-2436","label":"www.debian.org/security/2012/dsa-2436","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615814","label":"bugs.debian.org/cgi-bin/bugreport.cgi?bug=615814","hostname":"bugs.debian.org","tags":["X Refsource CONFIRM"]},{"url":"http://www.securityfocus.com/bid/52565","label":"www.securityfocus.com/bid/52565","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://issues.apache.org/bugzilla/show_bug.cgi?id=49902","label":"issues.apache.org/bugzilla/show_bug.cgi?id=49902","hostname":"issues.apache.org","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://www.openwall.com/lists/oss-security/2012/03/15/10","label":"www.openwall.com/lists/oss-security/2012/03/15/10","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-1181","label":"security-tracker.debian.org/tracker/CVE-2012-1181","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-03-19T21:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T18:53:35.665Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T05:17:47.977Z","stale":false,"partial":false}}