For the oldstable distribution (bookworm), this problem has been fixed
in version 1.52.0-1+deb12u3.
For the stable distribution (trixie), this problem has been fixed in
version 1.64.0-1.1+deb13u1.
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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/