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[SECURITY] [DLA 3621-1] nghttp2 security update

Debian LTS Advisory DLA-3621-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                         Sean Whitton
October 16, 2023                              https://wiki.debian.org/LTS

Package        : nghttp2
Version        : 1.36.0-2+deb10u2
CVE ID         : CVE-2020-11080 CVE-2023-44487
Debian Bug     : 962145 1053769

Multiple vulnerabilities were discovered in nghttp2, an implementation
of the HTTP/2 protocol.


    A denial-of-service could be caused by a large HTTP/2 SETTINGS
    frame payload.


    A denial-of-service could be caused by resetting many HTTP/2
    streams quickly.  This has been observed in the wild since August.

For Debian 10 buster, these problems have been fixed in version

We recommend that you upgrade your nghttp2 packages.

For the detailed security status of nghttp2 please refer to
its security tracker page at:

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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