CVE-2026-53268
HIGH severity · CVSS 8.2 · Out-of-bounds read
8.2CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2fPatch
- https://git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8Patch
- https://git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176Patch
- https://git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56Patch
- https://git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaeaPatch
- https://git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6Patch
- https://git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dcPatch
- https://git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7ePatch