{"id":"CVE-2026-49975","summary":"Apache HTTP Server: mod_http2 denial of service","details":"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.","aliases":["BIT-apache-2026-49975"],"modified":"2026-11-05T21:32:23.687986645Z","published":"2026-06-08T15:26:04.674Z","related":["ALSA-2026:25057","ALSA-2026:25090","ALSA-2026:25225","SUSE-SU-2026:22564-1","SUSE-SU-2026:2686-1","SUSE-SU-2026:2717-1","SUSE-SU-2026:2735-1","SUSE-SU-2026:2759-1","openSUSE-SU-2026:21235-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49975.json","unresolved_ranges":[{"extracted_events":[{"range":[{"introduced":"2.4.17"},{"last_affected":"2.4.67"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}],"cna_assigner":"apache","cwe_ids":["CWE-789"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/03/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/08/16"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49975.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25042"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25057"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25090"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25225"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:27114"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:27200"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:27201"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36373"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36831"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36846"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50538"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50572"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55930"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55992"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-49975"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49975.json"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49975"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2485371"},{"type":"EVIDENCE","url":"https://github.com/EQSTLab/CVE-2026-49975"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"47a9d8e8abf5697b4580c3ee2ade302b5c058fa6"},{"fixed":"736bb657405eb73fd68a64772c3a908807bdb887"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","range":[{"introduced":"2.4.17"},{"fixed":"2.4.68"}]}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49975.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}