{"id":"CVE-2021-34798","details":"Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.","aliases":["BIT-apache-2021-34798"],"modified":"2026-04-16T00:01:56.667505260Z","published":"2021-09-16T15:15:07.267Z","related":["ALSA-2022:0891","SUSE-SU-2021:3299-1","SUSE-SU-2021:3335-1","SUSE-SU-2021:3522-1","openSUSE-SU-2021:1438-1","openSUSE-SU-2021:3522-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"1.10.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"13.4.0.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"13.5.0.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"12.2.1.3.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"12.2.1.4.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"17.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"17.2"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"17.3"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.58"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.8"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"},{"extracted_events":[{"fixed":"3.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"14.0-NA"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"5.19.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"10.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"11.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"34"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"35"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/"},{"type":"ADVISORY","url":"http://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10379"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-20"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211008-0004/"},{"type":"ADVISORY","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4982"},{"type":"ADVISORY","url":"https://www.tenable.com/security/tns-2021-17"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"0"},{"last_affected":"c37a3162d1c0aeb6f3b80e831243daf61596ac87"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.4.48"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*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