A nghttp2 security update has been released for Debian GNU/Linux 10 LTS to address multiple vulnerabilities.

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

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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
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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.

CVE-2020-11080

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

CVE-2023-44487

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
1.36.0-2+deb10u2.

We recommend that you upgrade your nghttp2 packages.

For the detailed security status of nghttp2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nghttp2

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