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CVE-2025-69277

MEDIUM

4.5

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.

CVE Details

CVSS v3.1 Score4.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published12/31/2025

Last Modified1/7/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-184

References

https://00f.net/2025/12/30/libsodium-vulnerability/(cve@mitre.org)

https://github.com/jedisct1/libsodium/commit/ad3004ec8731730e93fcfbbc824e67eadc1c1bae(cve@mitre.org)

https://github.com/pyca/pynacl/commit/96314884d88d1089ff5f336dba61d7abbcddbbf7(cve@mitre.org)

https://github.com/pyca/pynacl/commit/ecf41f55a3d8f1e10ce89c61c4b4d67f3f4467cf(cve@mitre.org)

https://github.com/pyca/pynacl/issues/920(cve@mitre.org)

https://ianix.com/pub/ed25519-deployment.html(cve@mitre.org)

https://news.ycombinator.com/item?id=46435614(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2026/01/msg00004.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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