CVE-2026-53268

HIGH

netfilter: conntrack_irc: fix possible out-of-bounds read

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: 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.

Scores

CVSS v3 8.2
EPSS 0.0036
EPSS Percentile 28.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Details

CWE
CWE-125
Status published
Products (27)
linux/Kernel 2.6.20 - 5.10.259linux
linux/Kernel 5.11.0 - 5.15.210linux
linux/Kernel 5.16.0 - 6.1.176linux
linux/Kernel 6.13.0 - 6.18.36linux
linux/Kernel 6.19.0 - 7.0.13linux
linux/Kernel 6.2.0 - 6.6.143linux
linux/Kernel 6.7.0 - 6.12.94linux
Linux/Linux < 2.6.20
Linux/Linux 2.6.20
Linux/Linux 5.10.259 - 5.10.*
... and 17 more
Published Jun 25, 2026
Tracked Since Jun 25, 2026