Debian 9 Stretch: DLA-2776-1 Moderate: Apache2 Memory Corruption
debian lts
October 2, 2021
Several vulnerabilities were discovered in the Apache HTTP server
Topics Covered
Summary
CVE-2021-34798
Malformed requests may cause the server to dereference
a NULL pointer.
CVE-2021-39275
ap_escape_quotes() may write beyond the end of a buffer when given
malicious input. No included modules pass untrusted data to these
functions, but third-party / external modules may.
CVE-2021-40438
A crafted request uri-path can cause mod_proxy to forward the
request to an origin server choosen by the remote user.
For Debian 9 stretch, these problems have been fixed in version
2.4.25-3+deb9u11.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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Severity
important
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Critical
Package: apache2
Version: 2.4.25-3+deb9u11
CVE ID: CVE-2021-34798 CVE-2021-39275 CVE-2021-40438
Topics Covered
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