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MEDIUM · 4.8

CVE-2026-73282

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.

Vulnerability 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.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
OpenbsdOpenssh< 10.5

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2026-73282?

CVE-2026-73282 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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.

How severe is CVE-2026-73282?

CVE-2026-73282 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-73282?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh.