CVE-2025-69277
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.5epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
libsodium · libsodiumReferences
https://00f.net/2025/12/30/libsodium-vulnerability/https://github.com/jedisct1/libsodium/commit/ad3004ec8731730e93fcfbbc824e67eadc1c1baehttps://github.com/pyca/pynacl/commit/96314884d88d1089ff5f336dba61d7abbcddbbf7https://github.com/pyca/pynacl/commit/ecf41f55a3d8f1e10ce89c61c4b4d67f3f4467cfhttps://github.com/pyca/pynacl/issues/920https://ianix.com/pub/ed25519-deployment.htmlhttps://lists.debian.org/debian-lts-announce/2026/01/msg00004.htmlhttps://news.ycombinator.com/item?id=46435614