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Ubuntu 22.04 LTS: Critical Info Exposure in libsodium CVE-2025-69277

ubuntu
Calendar Grey January 8, 2026
Dist Ubuntu Esm H88
Sodium library exposes sensitive info vulnerabilities. Update libsodium on various Ubuntu releases now.
Sodium could be made to expose sensitive information.

Summary

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.

Topics%20covered

Topics Covered

security advisory Ubuntu important update instructions information disclosure libsodium

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

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7949-1

Topics%20covered

Topics Covered

security advisory Ubuntu important update instructions information disclosure libsodium

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

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