# 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.

Source: https://junglewise.ai/threats/cve-2026-73282-in-ssh-in-openssh-before-10-5-a-use-after-free-for-realloc-data  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-11  
License: CC BY 4.0 with a link back

CVE-2026-73282 · Severity: medium · CVSS 4.8 · Published 2026-08-11

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.

Technologies: [OpenBSD Openssh](https://junglewise.ai/threats/technologies/openssh). Vendors: [OpenBSD](https://junglewise.ai/threats/vendors/openbsd).

## Quick answers

**Is CVE-2026-73282 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73282 being exploited in the wild.

**How severe is CVE-2026-73282?** Medium severity, with a CVSS score of 4.8, published 11 August 2026.

**Which products and versions are affected?** OpenBSD Openssh. The advisory does not name versions.

**Is there a fix for CVE-2026-73282?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-73282?** Check whether you run OpenBSD Openssh. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- OpenBSD Openssh

## Related threats

- [OpenSSH password authentication bypass on musl libc without PAM](https://junglewise.ai/threats/cve-2026-123158-sshd-in-openssh-before-10-6p2-on-linux-when-musl-libc-is-used)
- [In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.](https://junglewise.ai/threats/cve-2026-73283-in-sshd-in-openssh-before-10-5-the-restrict-keyword-in-authorized)
- [In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally…](https://junglewise.ai/threats/cve-2026-73281-in-ssh-agent-in-openssh-before-10-5-some-operations-can-occur)
- [OpenSSH use-after-free in ssh client during key re-exchange](https://junglewise.ai/threats/cve-2026-60002-openssh-use-after-free-in-ssh-client-during-key-re-exchange)
- [OpenSSH sshd failure to enforce minimum authentication delay](https://junglewise.ai/threats/cve-2026-60001-openssh-sshd-failure-to-enforce-minimum-authentication-delay)