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Debian Bookworm: Libsodium Critical Crypto Core Integrity Issue DSA-6094-1

It was discovered that the crypto_core_ed25519_is_valid_point() function of the Sodium cryptography library mishandled checks for valid elliptic curve points. For the oldstable distribution (bookworm), this problem has been fixed in version 1.0.18-1+deb12u1.. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6094-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff January 05, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : libsodium CVE ID : CVE-2025-69277 It was discovered that the crypto_core_ed25519_is_valid_point() function of the Sodium cryptography library mishandled checks for valid elliptic curve points. For the oldstable distribution (bookworm), this problem has been fixed in version 1.0.18-1+deb12u1. For the stable distribution (trixie), this problem has been fixed in version 1.0.18-1+deb13u1. We recommend that you upgrade your libsodium packages. For the detailed security status of libsodium please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/libsodium 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: This email address is being protected from spambots. You need JavaScript enabled to view it. . Libsodium faces critical security risk due to mishandled elliptic curve point checks; updates are essential.. libsodium security update, Debian crypto library, critical security advisory, elliptic curve issue. . Severity: Critical. LinuxSecurity.com Team

Jan 05, 2026 •Critical Debian