CVE-2026-53268: netfilter: conntrack_irc: fix possible out-of-bounds read
In the Linux kernel, the following vulnerability has been resolved:
netfilter: conntrackirc: fix possible out-of-bounds read
When parsing fails after we've matched the command string we should bail out instead of trying to match a different command.
This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-53268?
The severity of CVE-2026-53268 is rated high with a score of 8.2.
How do I fix CVE-2026-53268?
To fix CVE-2026-53268, upgrade to the latest version of the Linux kernel that addresses this vulnerability.
What systems are affected by CVE-2026-53268?
CVE-2026-53268 affects the Linux kernel and Microsoft azl3 kernel version 6.6.141.1-1.
What type of vulnerability is CVE-2026-53268?
CVE-2026-53268 is a possible out-of-bounds read vulnerability in the netfilter conntrack_irc module.
What is the impact of CVE-2026-53268?
The impact of CVE-2026-53268 includes potential information disclosure and system instability.