Vulnerability · 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.
Published Aug 11, 2026 · catalog updated Oct 24, 2026 · In ssh in OpenSSH
Last checked Nov 7, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-73282. EPSS is 0.16%. Act only if a listed version of In ssh in OpenSSH is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (In ssh in OpenSSH).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-106583 · High
- CVE-2026-106587 · Low
- CVE-2026-106585 · Medium
- CVE-2026-106584 · Low
- CVE-2026-106582 · Low
- Severity
- Medium4.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.16%
- Remediation
- Version ranges on file
- Affected products
- cpe 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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe openbsd/openssh< 10.5
How to fix CVE-2026-73282
Upgrade
CVE-2026-73282 lists a fix boundary at 10.5. Compare the installed build with that boundary before you change production.
Version check
Affected < 10.5
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-73282. EPSS is 0.16%. Act only if a listed version of In ssh in OpenSSH is installed.
Which versions are affected?
Compare what you have installed with < 10.5. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-416: Use After Free. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 11, 2026 · Monitored products — critical
Detected
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.
Oct 24, 2026 · Monitored products — critical
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.
Sources
- CVE.orgVulnerability recordCVE-2026-73282
Official CVE identifier
cve.org - Monitored products — criticalVendor advisoryCVE-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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 4, 2026