[SECURITY] [DSA 5558-1] netty security update
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Debian Security Advisory DSA-5558-1 security@debian.org
https://www.debian.org/security/ Markus Koschany
November 18, 2023 https://www.debian.org/security/faq
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Package : netty
CVE ID : CVE-2023-34462 CVE-2023-44487
Debian Bug : 1038947 1054234
Two security vulnerabilities have been discovered in Netty, a Java NIO
client/server socket framework.
CVE-2023-34462
It might be possible for a remote peer to send a client hello packet during
a TLS handshake which lead the server to buffer up to 16 MB of data per
connection. This could lead to a OutOfMemoryError and so result in a denial
of service.
CVE-2023-44487
The HTTP/2 protocol allowed a denial of service (server resource
consumption) because request cancellation can reset many streams quickly.
This problem is also known as Rapid Reset Attack.
For the oldstable distribution (bullseye), these problems have been fixed
in version 1:4.1.48-4+deb11u2.
For the stable distribution (bookworm), these problems have been fixed in
version 1:4.1.48-7+deb12u1.
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/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
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