Debian has released an update for OpenSSL to address multiple vulnerabilities that could lead to denial of service, information leaks, or remote code execution. These issues have been fixed in versions 3.0.18-1deb12u2 for Debian GNU/Linux 12 (Bookworm) and 3.5.4-1deb13u2 for Debian GNU/Linux 13 (Trixie). To resolve these security problems, it's recommended that you upgrade your openssl packages to the latest version.

[SECURITY] [DSA 6113-1] openssl security update

[SECURITY] [DSA 6113-1] openssl security update

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Debian Security Advisory DSA-6113-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
January 27, 2026 https://www.debian.org/security/faq
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Package : openssl
CVE ID : CVE-2025-11187 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469
CVE-2025-66199 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419
CVE-2025-69420 CVE-2025-69421 CVE-2026-22795 CVE-2026-22796

Multiple vulnerabilities have been discovered in OpenSSL, a Secure
Sockets Layer toolkit, which may result in denial of service,
information leaks, or potentially remote code execution.

Additional details can be found in the upstream advisory:
https://openssl-library.org/news/secadv/20260127.txt

For the oldstable distribution (bookworm), these problems have been fixed
in version 3.0.18-1~deb12u2.

For the stable distribution (trixie), these problems have been fixed in
version 3.5.4-1~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/