janmojzis tinyssh Ed25519 Signature crypto_sign_ed25519_tinyssh.c signature verification
Published Mar 22, 2026
2.0
LOWCVSS 4.0
EPSS 0.08%
Description
A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/crypto_sign_ed25519_tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local execution. The attack's complexity is rated as high. The exploitability is considered difficult. The exploit has been published and may be used. Upgrading to version 20260301 is recommended to address this issue. Patch name: 9c87269607e0d7d20174df742accc49c042cff17. Upgrading the affected component is recommended.
Affected products
-
- Version 20250501StatusaffectedConstraints-
- Version 20260301StatusunaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (10)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-14291 Advisory
- https://github.com/janmojzis/tinyssh/ product
- https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17 patch
- https://github.com/janmojzis/tinyssh/issues/101 issue-tracking
- https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116 exploitissue-tracking
- https://github.com/janmojzis/tinyssh/pull/102 issue-trackingpatch
- https://github.com/janmojzis/tinyssh/releases/tag/20260301 patch
- https://vuldb.com/submit/774687 third-party-advisory
- https://vuldb.com/vuln/352358 vdb-entry
- https://vuldb.com/vuln/352358/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-14291 | Advisory | |
| https://github.com/janmojzis/tinyssh/ | product | |
| https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17 | patch | |
| https://github.com/janmojzis/tinyssh/issues/101 | issue-tracking | |
| https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116 | exploitissue-tracking | |
| https://github.com/janmojzis/tinyssh/pull/102 | issue-trackingpatch | |
| https://github.com/janmojzis/tinyssh/releases/tag/20260301 | patch | |
| https://vuldb.com/submit/774687 | third-party-advisory | |
| https://vuldb.com/vuln/352358 | vdb-entry | |
| https://vuldb.com/vuln/352358/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.