{"api_version":"1","generated_at":"2026-05-05T15:57:57+00:00","cve":"CVE-2026-33007","urls":{"html":"https://cve.report/CVE-2026-33007","api":"https://cve.report/api/cve/CVE-2026-33007.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-33007","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-33007"},"summary":{"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.","state":"PUBLISHED","assigner":"apache","published_at":"2026-05-04 15:16:04","updated_at":"2026-05-04 20:22:13"},"problem_types":["CWE-476","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","name":"https://httpd.apache.org/security/vulnerabilities_24.html","refsource":"security@apache.org","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2026/05/04/22","name":"http://www.openwall.com/lists/oss-security/2026/05/04/22","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-33007","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33007","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache HTTP Server","version":"affected 2.4.0 2.4.66 semver","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-03-04T12:15:00.000Z","lang":"en","value":"Report received"},{"source":"CNA","time":"2026-05-04T12:00:00.000Z","lang":"eng","value":"2.4.67 released"},{"source":"CNA","time":"2026-05-04T12:00:00.000Z","lang":"en","value":"fixed in 2.4.x by r1933358"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Pavel Kohout, Aisle Research, Aisle.com","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"33007","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-33007","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-04T15:13:12.273045Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-04T15:13:14.598Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2026-05-04T17:32:48.215Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/04/22"}],"title":"CVE Program Container"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache HTTP Server","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.4.66","status":"affected","version":"2.4.0","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 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.<br><br>Users are recommended to upgrade to version 2.4.67, which fixes this issue."}],"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."}],"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":{"dateUpdated":"2026-05-04T14:41:27.520Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://httpd.apache.org/security/vulnerabilities_24.html"}],"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"}],"title":"Apache HTTP Server: mod_authn_socache crash","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-33007","datePublished":"2026-05-04T14:41:27.520Z","dateReserved":"2026-03-17T16:46:05.025Z","dateUpdated":"2026-05-04T17:32:48.215Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-04 15:16:04","lastModifiedDate":"2026-05-04 20:22:13","problem_types":["CWE-476","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4.0","versionEndExcluding":"2.4.67","matchCriteriaId":"3BEA6923-FB92-4DCC-92A2-D5916CDC58FF"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"33007","Ordinal":"1","Title":"Apache HTTP Server: mod_authn_socache crash","CVE":"CVE-2026-33007","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"33007","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Apache HTTP Server: mod_authn_socache crash"}]}}}