MEDIUM 4.5 Microsoft

CVE-2025-69277

libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group.

Microsoft Security Update 2025-Dec: libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group.

Affected Products

References

Published: 2025-12-09 · Source: Microsoft · Feed updated: 2026-08-10
This medium severity vulnerability with a CVSS score of 4.5 was published on 2025-12-09 via Microsoft. Affected: azl3 libsodium 1.0.19-1 on Azure Linux 3.0, cbl2 libsodium 1.0.18-6 on CBL Mariner 2.0, azl3 libsodium 1.0.19-2 on Azure Linux 3.0 and 1 more.
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