CVE detail
CVE-2026-55654
A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI (Generic Security Service Application Programming Interface) indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific configurations involving GSSAPI authentication and a Kerberos environment, could exploit this to cause the SSH authentication path to crash or abort. This leads to a denial of service (DoS), impacting the availability of the SSH service.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- https://access.redhat.com/errata/RHSA-2026:47757access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 23, 2026, 4:17 AM - https://access.redhat.com/errata/RHSA-2026:47756access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 23, 2026, 4:17 AM - https://bugzilla.redhat.com/show_bug.cgi?id=2462493bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comJun 23, 2026, 4:17 AM - https://access.redhat.com/security/cve/CVE-2026-55654access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 23, 2026, 4:17 AM - https://access.redhat.com/errata/RHSA-2026:36759access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 23, 2026, 4:17 AM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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