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Vulnerability record · CVE-2026-73282 · published 11 August 2026

CVE-2026-73282: Openbsd openssh use after free vulnerability

Openbsd · Openssh

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.

4.8 CVSS 3.1 Medium EPSS 0.16% · top 95.1% CWE-416 · Use after free
4.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
4 Sep 2026Last modified by NVD

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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.openssh.org/releasenotes.html#10.5 ProductRelease Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-73282), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.