Description
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.
Affected products
openbsd: openssh
References1
- www.openssh.org/releasenotes.html#10.5 ProductRelease Notes
Metrics
- CVSS 3.1
-
4.8
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 6 · as of 12 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
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