Description
A vulnerability was determined in mkj Dropbear up to 2025.89. Impacted is the function unpackneg of the file src/curve25519.c of the component S Range Check. This manipulation causes improper verification of cryptographic signature. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is considered difficult. The actual existence of this vulnerability is currently in question. Patch name: fdec3c90a15447bd538641d85e5a3e3ac981011d. To fix this issue, it is recommended to deploy a patch. The project maintainer explains: "Signature Malleability is not exploitable in SSH protocol. (...) [A] PoC doesn't exist for SSH implementation, but rather it's against the internal API."
INFO
Published Date :
2026-03-08T05:02:11.136Z
Last Modified :
2026-04-22T18:54:11.224Z
Source :
VulDB
AFFECTED PRODUCTS
The following products are affected by CVE-2026-3706 vulnerability.
| Vendors | Products |
|---|---|
| Mkj |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3706.
