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Debian Security Advisory DSA-5316-1                   security@debian.org
https://www.debian.org/security/                          Markus Koschany
January 11, 2023                      https://www.debian.org/security/faq
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Package        : netty
CVE ID         : CVE-2021-37136 CVE-2021-37137 CVE-2021-43797 CVE-2022-41881
                 CVE-2022-41915
Debian Bug     : 1027180 1014769 1001437

Several out-of-memory, stack overflow or HTTP request smuggling vulnerabilities
have been discovered in Netty, a Java NIO client/server socket framework, which
may allow attackers to cause a denial of service or bypass restrictions when
used as a proxy.

For the stable distribution (bullseye), these problems have been fixed in
version 1:4.1.48-4+deb11u1.

We recommend that you upgrade your netty packages.

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

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