CVE-2025-69277
- State
- Published
- Severity
- 4.5 Medium
- Published
- Dec 31, 2025
- Updated
- Jan 7, 2026
- Reserved
- Dec 31, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.5 Medium | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N | mitre |
Weaknesses
- CWE-184 Incomplete List of Disallowed Inputs
Affected Products
| Product | Versions |
|---|---|
libsodiumlibsodium |
|
References
- https://github.com/jedisct1/libsodium/commit/ad3004ec8731730e93fcfbbc824e67eadc1c1bae
- https://00f.net/2025/12/30/libsodium-vulnerability/
- https://news.ycombinator.com/item?id=46435614
- https://ianix.com/pub/ed25519-deployment.html
- https://github.com/pyca/pynacl/issues/920
- https://github.com/pyca/pynacl/commit/ecf41f55a3d8f1e10ce89c61c4b4d67f3f4467cf
- https://github.com/pyca/pynacl/commit/96314884d88d1089ff5f336dba61d7abbcddbbf7
- https://lists.debian.org/debian-lts-announce/2026/01/msg00004.html
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