{"api_version":"1","generated_at":"2026-06-08T18:27:49+00:00","cve":"CVE-2026-49975","urls":{"html":"https://cve.report/CVE-2026-49975","api":"https://cve.report/api/cve/CVE-2026-49975.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-49975","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49975"},"summary":{"title":"Apache HTTP Server: mod_http2 denial of service","description":"Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.\n\nThis issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.","state":"PUBLISHED","assigner":"apache","published_at":"2026-06-08 16:16:44","updated_at":"2026-06-08 18:16:33"},"problem_types":["CWE-789","CWE-789 CWE-789 Memory Allocation with Excessive Size Value"],"metrics":[],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","name":"https://httpd.apache.org/security/vulnerabilities_24.html","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html","name":"https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2026/06/03/3","name":"http://www.openwall.com/lists/oss-security/2026/06/03/3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-49975","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49975","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache HTTP Server","version":"affected 2.4.17 2.4.67 semver","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-05-26T12:00:00.000Z","lang":"en","value":"reported"},{"source":"CNA","time":"2026-05-27T12:00:00.000Z","lang":"en","value":"fixed upstream in mod_h2 https://github.com/icing/mod_h2/commit/35c6e405390ed361189a82acd96675401ea5947c"},{"source":"CNA","time":"2026-06-02T12:00:00.000Z","lang":"en","value":"fixed in 2.4.x by r1934882"},{"source":"CNA","time":"2026-06-08T12:00:00.000Z","lang":"eng","value":"2.4.68 released"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Quang Luong of Calif.IO in collaboration with OpenAI Codex","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-06-08T17:10:13.356Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/06/03/3"},{"url":"https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html"}],"title":"CVE Program Container"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache HTTP Server","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.4.67","status":"affected","version":"2.4.17","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Quang Luong of Calif.IO in collaboration with OpenAI Codex"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.</p><p>This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.</p><p><br></p>"}],"value":"Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.\n\nThis issue affects Apache HTTP Server: from 2.4.17 through 2.4.67."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-789","description":"CWE-789 Memory Allocation with Excessive Size Value","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-08T15:26:04.674Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://httpd.apache.org/security/vulnerabilities_24.html"}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-05-26T12:00:00.000Z","value":"reported"},{"lang":"en","time":"2026-05-27T12:00:00.000Z","value":"fixed upstream in mod_h2 https://github.com/icing/mod_h2/commit/35c6e405390ed361189a82acd96675401ea5947c"},{"lang":"en","time":"2026-06-02T12:00:00.000Z","value":"fixed in 2.4.x by r1934882"},{"lang":"eng","time":"2026-06-08T12:00:00.000Z","value":"2.4.68 released"}],"title":"Apache HTTP Server: mod_http2 denial of service","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-49975","datePublished":"2026-06-08T15:26:04.674Z","dateReserved":"2026-06-02T17:20:37.983Z","dateUpdated":"2026-06-08T17:10:13.356Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-08 16:16:44","lastModifiedDate":"2026-06-08 18:16:33","problem_types":["CWE-789","CWE-789 CWE-789 Memory Allocation with Excessive Size Value"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"49975","Ordinal":"1","Title":"Apache HTTP Server: mod_http2 denial of service","CVE":"CVE-2026-49975","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"49975","Ordinal":"1","NoteData":"Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.\n\nThis issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.","Type":"Description","Title":"Apache HTTP Server: mod_http2 denial of service"}]}}}