========================================================================== Ubuntu Security Notice USN-7949-1 January 08, 2026
libsodium vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Sodium could be made to expose sensitive information. Software Description: - libsodium: Network communication, cryptography and signaturing library Details: It was discovered that Sodium incorrectly handled the elliptic curve point validity check in certain atypical use cases. This could result in invalid points being used, contrary to expectations. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 libsodium23 1.0.18-1ubuntu0.25.10.1 Ubuntu 25.04 libsodium23 1.0.18-1ubuntu0.25.04.1 Ubuntu 24.04 LTS libsodium23 1.0.18-1ubuntu0.24.04.1 Ubuntu 22.04 LTS libsodium23 1.0.18-1ubuntu0.22.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7949-1 CVE-2025-69277 Package Information: https://launchpad.net/ubuntu/+source/libsodium/1.0.18-1ubuntu0.25.10.1 https://launchpad.net/ubuntu/+source/libsodium/1.0.18-1ubuntu0.25.04.1 https://launchpad.net/ubuntu/+source/libsodium/1.0.18-1ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/libsodium/1.0.18-1ubuntu0.22.04.1
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