Home / mailings [SECURITY] [DSA 6531-1] openssl security update
Posted on 30 September 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6531-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
September 30, 2026 https://www.debian.org/security/faq
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Package : openssl
CVE ID : CVE-2026-35189 CVE-2026-35191 CVE-2026-42772 CVE-2026-54872
CVE-2026-54873 CVE-2026-54875 CVE-2026-72897 CVE-2026-75804
CVE-2026-75805 CVE-2026-75806 CVE-2026-77696 CVE-2026-84782
CVE-2026-84784
Multiple vulnerabilities have been discovered in OpenSSL, a Secure
Sockets Layer toolkit, which could result in denial of service,
information disclosure or potentially recovery of private keys.
Additional details can be found in the upstream advisories:
https://openssl-library.org/news/secadv/20260929.txt
For the stable distribution (trixie), these problems have been fixed in
version 3.5.7-1~deb13u3.
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/
Mailing list: debian-security-announce@lists.debian.org
