vulnerability
Arch Linux: Information disclosure (CVE-2019-3858)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:N/A:P) | Mar 21, 2019 | Jul 11, 2025 | Mar 25, 2026 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
Mar 21, 2019
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
An issue has been found in libssh2 before 1.8.1 where a server could send a specially crafted partial SFTP packet with a zero value for the payload length. This zero value would be used to then allocate memory resulting in a zero byte allocation and possible out of bounds read.
Solution
arch-linux-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.