vulnerability
Red Hat: CVE-2021-44790: CVE-2021-44790 httpd: mod_lua: Possible buffer overflow when parsing multipart content (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Dec 20, 2021 | Jan 18, 2022 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Dec 20, 2021
Added
Jan 18, 2022
Modified
Aug 11, 2025
Description
A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.
Solutions
redhat-upgrade-httpdredhat-upgrade-httpd-debuginforedhat-upgrade-httpd-debugsourceredhat-upgrade-httpd-develredhat-upgrade-httpd-filesystemredhat-upgrade-httpd-manualredhat-upgrade-httpd-toolsredhat-upgrade-httpd-tools-debuginforedhat-upgrade-mod_http2redhat-upgrade-mod_http2-debuginforedhat-upgrade-mod_http2-debugsourceredhat-upgrade-mod_ldapredhat-upgrade-mod_ldap-debuginforedhat-upgrade-mod_mdredhat-upgrade-mod_md-debuginforedhat-upgrade-mod_md-debugsourceredhat-upgrade-mod_proxy_htmlredhat-upgrade-mod_proxy_html-debuginforedhat-upgrade-mod_sessionredhat-upgrade-mod_session-debuginforedhat-upgrade-mod_sslredhat-upgrade-mod_ssl-debuginfo
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.