8.2highHigh
CVE-2026-53268
Linux Linux Kernel
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.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H- Weakness
- CWE-125
- Assigned by
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dates
- Published
- 2026-06-25
- Last modified
- 2026-09-08
- Sources
- NVD
Affected products
- Linux Linux Kernel2.6.20 - 5.10.259, 5.11 - 5.15.210, 5.16 - 6.1.176, 6.2 - 6.6.143, 6.7 - 6.12.94, 6.13 - 6.18.36, 6.19 - 7.0.13, 7.1
As listed in the NVD configuration data. Not a statement about your estate.
References
- https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f
- https://git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8
- https://git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176
- https://git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56
- https://git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaea
- https://git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6
- https://git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dc
- https://git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7e
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html