CVE-2021-20325

Name	CVE-2021-20325
Description	Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a security regression compared to the versions shipped in Red Hat Enterprise Linux 8.4. A user who installs or updates to Red Hat Enterprise Linux 8.5.0 would be vulnerable to the mentioned CVEs, even if they were properly fixed in Red Hat Enterprise Linux 8.4. CVE-2021-20325 was assigned to that Red Hat specific security regression and it does not affect the upstream versions of httpd.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	buster	2.4.38-3+deb10u8	fixed
	buster (security)	2.4.38-3+deb10u10	fixed
	bullseye	2.4.56-1~deb11u2	fixed
	bullseye (security)	2.4.59-1~deb11u1	fixed
	bookworm	2.4.57-2	fixed
	bookworm (security)	2.4.59-1~deb12u1	fixed
	trixie	2.4.58-1	fixed
	sid	2.4.59-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apache2	source	(unstable)	(not affected)

- apache2 <not-affected> (Red Hat RHEL 8 specifc regression of CVE-2021-40438 and CVE-2021-26691)
https://bugzilla.redhat.com/show_bug.cgi?id=2017321