{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-29169","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-03-04T11:50:32.014Z","datePublished":"2026-05-04T14:48:29.832Z","dateUpdated":"2026-05-05T20:23:49.062Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache HTTP Server","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.4.66","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Pavel Kohout, Aisle Research, Aisle.com"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.<br><br>The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.<br><br>Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.<br>"}],"value":"A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.\n\nThe only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.\n\nUsers are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock."}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-05-04T14:48:29.832Z"},"references":[{"tags":["vendor-advisory"],"url":"https://httpd.apache.org/security/vulnerabilities_24.html"}],"source":{"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2026-03-04T11:46:00.000Z","value":"Report received"},{"lang":"eng","time":"2026-05-04T12:00:00.000Z","value":"2.4.67 released"},{"lang":"en","time":"2026-05-04T12:00:00.000Z","value":"fixed in 2.4.x by r1933354"}],"title":"Apache HTTP Server: mod_dav_lock indirect lock crash","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-04T15:52:40.756863Z","id":"CVE-2026-29169","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-04T15:53:03.670Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/04/20"},{"url":"http://www.openwall.com/lists/oss-security/2026/05/05/12"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-05-05T20:23:49.062Z"}}]}}