{"schema_version":"1.7.5","id":"CVE-2020-9490","published":"2020-08-07T16:15:12.043Z","modified":"2026-07-08T05:54:16.696535690Z","aliases":["BIT-apache-2020-9490"],"related":["SUSE-SU-2020:2311-1","SUSE-SU-2020:2344-1","SUSE-SU-2020:2450-1","SUSE-SU-2020:3067-1","openSUSE-SU-2020:1285-1","openSUSE-SU-2020:1293-1","openSUSE-SU-2020:1792-1"],"details":"Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via \"H2Push off\" will mitigate this vulnerability for unpatched servers.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"6e65a7f3dadcade4274ae53f734d4c35188e3786"},{"fixed":"8064ccc50bffe86ad464246b9bfac7d78d7dbc1f"}],"database_specific":{"cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.4.20"},{"fixed":"2.4.46"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9490.json"}}],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r0b6541c5fb2f8fb383861333400add7def625bc993300300de0b4f8d%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d601cfb4579f38bf1%40%3Cdev.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b26936dfea4060f672%40%3Cdev.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r97d0faab6ed8fd0d439234b16d05d77b22a07b0c4817e7b3cca419cc%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9e485ce5a01c9dc3d4d785a7d28aa7400ead1e81884034ff1f03cfee%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71%40%3Cdev.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/ra4da876037477c06f2677d7a1e10b5a8613000fca99c813958070fe9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8c8dea5d9a283d13ce%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rfed9fea918e090383da33e393eb6c2755fccf05032bd7d6eb4737c9e%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.html"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/160392/Apache-2.4.43-mod_http2-Memory-Corruption.html"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-9490"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202008-04"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200814-0005/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4458-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4757"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2021.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:oracle:communications_element_manager:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.2.0"},{"last_affected":"8.2.2"}],"source":"CPE_RANGE","vendor_product":"oracle:communications_element_manager"},{"cpes":["cpe:2.3:a:oracle:communications_session_report_manager:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.2.0"},{"last_affected":"8.2.2"}],"source":"CPE_RANGE","vendor_product":"oracle:communications_session_report_manager"},{"cpes":["cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.2.0"},{"last_affected":"8.2.2"}],"source":"CPE_RANGE","vendor_product":"oracle:communications_session_route_manager"},{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"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