{"id":"CVE-2026-33007","state":"PUBLISHED","title":"Apache HTTP Server: mod_authn_socache crash","description":"A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes this issue.","publishedAt":"2026-05-04T14:41:27.520Z","updatedAt":"2026-05-05T15:07:42.103Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache HTTP Server"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","defaultStatus":"unaffected","versions":[{"version":"2.4.0","status":"affected","lessThanOrEqual":"2.4.66","versionType":"semver"}]}],"references":["https://httpd.apache.org/security/vulnerabilities_24.html","http://www.openwall.com/lists/oss-security/2026/05/04/22"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33007.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33007","state":"PUBLISHED","datePublished":"2026-05-04T14:41:27.520Z","dateUpdated":"2026-05-05T15:07:42.103Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-03-17T16:46:05.025Z"},"containers":{"cna":{"title":"Apache HTTP Server: mod_authn_socache crash","descriptions":[{"lang":"en","value":"A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes this issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","defaultStatus":"unaffected","versions":[{"version":"2.4.0","status":"affected","lessThanOrEqual":"2.4.66","versionType":"semver"}]}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","tags":["vendor-advisory"]}],"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":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-05-05T15:07:42.103Z"},"credits":[{"lang":"en","type":"finder","value":"Pavel Kohout, Aisle Research, Aisle.com"},{"lang":"en","type":"finder","value":"Arkadi Vainbrand"}],"source":{"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2026-03-04T12:15:00.000Z","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 r1933358"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-04T15:13:12.273045Z","id":"CVE-2026-33007","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-04T15:13:14.598Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/04/22"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-05-04T17:32:48.215Z"}}]}}}