CVE-2026-110927: DoS (CVSS 4.3)

Description

A flaw was found in OpenSSH. After compression is negotiated, a compressed payload can expand past the maximum supported packet size because the inflate loop does not stop at that limit. Memory use grows in the process handling that connection.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://access.redhat.com/errata/RHSA-2026:82247 https://access.redhat.com/security/cve/CVE-2026-110927 https://bugzilla.redhat.com/show_bug.cgi?id=2553037

Frequently Asked Questions

What is CVE-2026-110927? +

A flaw was found in OpenSSH. After compression is negotiated, a compressed payload can expand past the maximum supported packet size because the inflate loop does not stop at that limit. Memory use grows in the process handling that connection. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-110927? +

CVE-2026-110927 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-110927? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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