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Debian Security Advisory DSA-5035-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
January 04, 2022                      https://www.debian.org/security/faq
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Package        : apache2
CVE ID         : CVE-2021-44224 CVE-2021-44790

Two vulnerabilities have been discovered in the Apache HTTP server:

CVE-2021-44224

    When operating as a forward proxy, Apache was depending on the setup
    suspectible to denial of service or Server Side Request forgery.

CVE-2021-44790

    A buffer overflow in mod_lua may result in denial of service or
    potentially the execution of arbitrary code.

For the oldstable distribution (buster), these problems have been fixed
in version 2.4.38-3+deb10u7.

For the stable distribution (bullseye), these problems have been fixed in
version 2.4.52-1~deb11u2.

We recommend that you upgrade your apache2 packages.

For the detailed security status of apache2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/apache2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org