NIXPKGS-2026-0729
GitHub issue
published on 23 Mar 2026
Permalink
CVE-2026-4541
2.5 LOW
- CVSS version: 3.1
- Attack vector (AV):
- Attack complexity (AC):
- Privileges required (PR):
- User interaction (UI):
- Scope (S):
- Confidentiality impact (C):
- Integrity impact (I):
- Availability impact (A):
by @LeSuisse Activity log
- Created automatic suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
janmojzis tinyssh Ed25519 Signature crypto_sign_ed25519_tinyssh.c signature verification
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
- VDB-352358 | janmojzis tinyssh Ed25519 Signature crypto_sign_ed25519_tinyssh.c signature verification vdb-entry
- VDB-352358 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #774687 | GitHub tinyssh 20250501 Cryptographic Issues third-party-advisory
- https://github.com/janmojzis/tinyssh/issues/101 issue-tracking
- https://github.com/janmojzis/tinyssh/pull/102 issue-tracking patch
- https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116 issue-tracking exploit
- https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042… patch
- https://github.com/janmojzis/tinyssh/releases/tag/20260301 patch
- https://github.com/janmojzis/tinyssh/ product
Affected products
tinyssh
- ==20260301
- ==20250501
Package maintainers
-
@KAction Dmitry Bogatov <KAction@disroot.org>