CVE-2026-4541

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. If you want to get best quality of vulnerability data, you may have to visit VulDB.

References

https://vuldb.com/?submit.774687

https://vuldb.com/?id.352358

https://vuldb.com/?ctiid.352358

https://github.com/janmojzis/tinyssh/releases/tag/20260301

https://github.com/janmojzis/tinyssh/pull/102

https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116

https://github.com/janmojzis/tinyssh/issues/101

https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17

https://github.com/janmojzis/tinyssh/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS