References https://hackerone.com/reports/1434056 https://www.sentinelone.com/vulnerability-database/cve-2021-44790/ https://www.venustech.com.cn/new_type/aqldfx/20220120/23400.html https://www.4hou.com/posts/2DpM https://httpd.apache.org/security/vulnerabilities_24.html https://www.tenablecloud.cn/plugins/nessus/161454 https://xxb.ecust.edu.cn/2021/1223/c10001726a10016903/page.htm https://comate.baidu.com/zh/page/2ulli86weoh https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2022-001/ https://www.rksec.cn/news_detail/48.html https://nosec.org/m/share/4925.html https://vulners.com/cve/CVE-2021-44790 https://www.tenable.com/plugins/nessus/161454 https://zhuanlan.zhihu.com/p/450823249 https://www.fortiguard.com/encyclopedia/ips/51121 https://www.juniper.net/us/en/threatlabs/ips-signatures/detail.HTTP:APACHE:HTTPD-MOD-LUA-OF.html https://bugzilla.redhat.com/show_bug.cgi?id=2034674 https://hackyboiz.github.io/2022/02/05/idioth/2022-02-05/ https://dep-downloads.ngfw.forcepoint.com/download/llm_dynup/LLM-Dynup-1469-Release-Note.html https://www.juniper.net/us/en/threatlabs/ips-signatures/detail.HTTP:DOS:APACHE-LUA-PRS-BDY-DOS.html https://success.trendmicro.com/en-US/solution/KA-0015228 https://www.cve.org/CVERecord?id=CVE-2021-44790 https://nvd.nist.gov/vuln/detail/CVE-2021-44790 https://forum.checkmk.com/t/vulnerability-apache-http-server-cve-2021-44790/28873 https://knowledge.broadcom.com/external/article/231209/cve202144790-apache-httpd-web-server-vul.html https://community.checkpoint.com/t5/General-Topics/Recently-Discovered-Apache-vulnerability-cve-2021-44790/td-p/137410 https://www.blumira.com/blog/critical-bugs-in-apache-httpd https://cert.europa.eu/publications/security-advisories/2021-078/ https://www.ithome.com.tw/news/148577 https://www.qnap.com/en-us/security-advisory/qsa-22-11 https://www.sentinelone.com/vulnerability-database/cve-2022-22719/ https://errata.rockylinux.org/RLSA-2022:7647 https://nvd.nist.gov/vuln/detail/cve-2022-22719 https://www.thezdi.com/blog/2022/1/25/cve-2021-44790-code-execution-on-apache-via-an-integer-underflow https://www.fortiguard.com/encyclopedia/ips/51121
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