Additional details can be found in the upstream advisory:
https://openssl-library.org/news/secadv/20260407.txt
For the oldstable distribution (bookworm), these problems have been fixed
in version 3.0.19-1~deb12u2.
For the stable distribution (trixie), these problems have been fixed in
version 3.5.5-1~deb13u2.
We recommend that you upgrade your openssl packages.
For the detailed security status of openssl please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/openssl
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/
