CVE-2026-73282: Use After Free

Published Aug 11, 2026
·
Updated

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 Software

4 affected componentsFixes available
OpenSSH ssh<10.5
debian/openssh<=1:9.2p1-2+deb12u10, <=1:9.2p1-2+deb12u9, <=1:10.0p1-7+deb13u4, <=1:10.0p1-7+deb13u2, <=1:10.4p1-5
1:10.5p1-1
debian/openssh-gssapi<=1:10.4p1-5
1:10.5p1-1
OpenBSD OpenSSH<10.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/openssh to a version that resolves this vulnerability.

    Fixed in 1:10.5p1-1
  2. Upgrade

    Upgrade debian/openssh-gssapi to a version that resolves this vulnerability.

    Fixed in 1:10.5p1-1

Event History

Aug 11, 2026
CVE Published
via MITRE·07:12 PM
Data Sourced
via MITRE·07:12 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:18 PM
DescriptionSeverityWeaknessAffected Software
Sep 3, 2026
Data Sourced
via Launchpad·02:54 PM
Description
Data Sourced
via Debian·02:54 PM
DescriptionAffected Software
Sep 5, 2026
Data Sourced
via Ubuntu·02:56 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-73282?

The severity of CVE-2026-73282 is classified as medium with a score of 4.8.

2

What are the potential impacts of CVE-2026-73282?

CVE-2026-73282 may lead to memory corruption due to a use-after-free condition, potentially allowing an attacker to compromise the integrity of the application.

3

How do I fix CVE-2026-73282?

To fix CVE-2026-73282, upgrade to OpenSSH version 10.5 or later, where this vulnerability has been addressed.

4

In which software is CVE-2026-73282 found?

CVE-2026-73282 is found in the OpenSSH ssh component prior to version 10.5.

5

What type of vulnerability is CVE-2026-73282?

CVE-2026-73282 is classified as a Use After Free vulnerability.

Company

Resources

Contact

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