A cjose security update has been released for Debian GNU/Linux 11 and 12 to address an issue where an attacker can truncated Authentication Tag and modify the JWE object.

[SECURITY] [DSA 5472-1] cjose security update

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Debian Security Advisory DSA-5472-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 08, 2023 https://www.debian.org/security/faq
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Package : cjose
CVE ID : CVE-2023-37464
Debian Bug : 1041423

It was discovered that an incorrect implementation of AES GCM decryption
in cjose, a C library implementing the JOSE standard may allow an attacker
to provide a truncated Authentication Tag and modify the JWE object.

For the oldstable distribution (bullseye), this problem has been fixed
in version 0.6.1+dfsg1-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 0.6.2.1-1+deb12u1.

We recommend that you upgrade your cjose packages.

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

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/