{"id":"CVE-2026-53268","revision":"999ba584275346c2a2abf3f9daa73df7","records":[{"revision":"999ba584275346c2a2abf3f9daa73df7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53268","aliases":[],"title":"netfilter: conntrack_irc: fix possible out-of-bounds read","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack_irc: fix possible out-of-bounds read\n\nWhen parsing fails after we've matched the command string we\nshould bail out instead of trying to match a different command.\n\nThis helper should be deprecated, given prevalence of TLS I doubt it has\nany relevance in 2026.","state":0,"publishedAt":"2026-06-25T08:39:54.511+00:00","modifiedAt":"2026-10-19T19:57:32.85+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/netfilter/nf_conntrack_irc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"4cdda7f868f48e2f81579371584fdbdce37df2c8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"8a1d6e40dedfe1068aee094d851bd69e289c9fd6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"0afc802160af0df61ed374fdb97fb34cfe5cdf2f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"7c34f91305292083253df6a9f6c8ede02d4ccaea\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"ddddd8271359961e403d11c90c9ba9fc38914f7e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"9e5da2379f968a3ea5a6e38921ab6201576466dc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"573810f61bcd6b6815e2ff53bbdd2b9c9d747176\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"869f37d8e48f3911eb70f38a994feaa8f8380008\",\n                            \"lessThan\": \"66eba0ffce3b7e11449946b4cbbef8ea36112f56\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/netfilter/nf_conntrack_irc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.20\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.20\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.259\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.210\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.176\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.143\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.94\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.36\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.13\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":8.2,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8","https://git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6","https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f","https://git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaea","https://git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7e","https://git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dc","https://git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176","https://git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53268","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53268","identifiers":["CVE-2026-53268"]},"retained":false,"historicalAffected":[]}],"coverage":[]}