CVE-2021-30641

NameCVE-2021-30641
DescriptionApache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2706-1, DSA-4937-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)stretch2.4.25-3+deb9u9vulnerable
stretch (security)2.4.25-3+deb9u10fixed
buster2.4.38-3+deb10u4vulnerable
buster (security)2.4.38-3+deb10u5fixed
bullseye, sid2.4.48-3.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourceexperimental2.4.48-1
apache2sourcestretch2.4.25-3+deb9u10DLA-2706-1
apache2sourcebuster2.4.38-3+deb10u5DSA-4937-1
apache2source(unstable)2.4.46-6

Notes

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-30641
https://bugzilla.redhat.com/show_bug.cgi?id=1966743
https://bz.apache.org/bugzilla/show_bug.cgi?id=65238
https://github.com/apache/httpd/commit/eb986059aa5aa0b6c1d52714ea83e3dd758afdd1

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