libsodium libsodium
At a glance
- Source
- NVD
- EPSS
- EPSS 0.18 % · percentile 8 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Deferred
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.
Weaknesses (CWE)
- CWE-184 — Incomplete List of Disallowed Inputs
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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N | mitre |
| CVSS 3.1 | MEDIUM 4.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N | NVD · cve@mitre.org (Secondary) |
Advisories
- GHSA-mrfv-m5wm-5w6w — libsodium has Incomplete List of Disallowed Inputs
- PYSEC-2026-1448 — libsodium has Incomplete List of Disallowed Inputs
- PYSEC-2026-3002 — libsodium has Incomplete List of Disallowed Inputs
European references
- ENISA EUVD · EUVD-2025-205876
- GCVE · GCVE-0-2025-69277
CERT-FR advisories
- CERTFR-2026-AVI-1366 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1336 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0865 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0667 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0627 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0209 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| libsodium · libsodium | affected 0 < ad3004ec8731730e93fcfbbc824e67eadc1c1bae |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |