In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.
https://www.openssh.org/releasenotes.html#10.5
Source: Mitre, NVD
Published: 2026-08-11
Updated: 2026-08-11
Base Score: 4
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 4.8
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N