CVE-2026-73282

MEDIUM CVSS 3.1: 4.8 EPSS 0.16%
Updated Sep 04, 2026
Openbsd
Parameter Value
CVSS 4.8 (MEDIUM)
Affected Versions before 10.5
Fixed In 10.5
Type CWE-416 (Use After Free)
Vendor Openbsd
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Openbsd Openssh
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
10.5