{"id":"CVE-2026-53268","summary":"netfilter: conntrack_irc: fix possible out-of-bounds read","details":"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.","modified":"2026-06-27T12:02:21.178878684Z","published":"2026-06-25T08:39:54.511Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53268.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53268.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53268"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"869f37d8e48f3911eb70f38a994feaa8f8380008"},{"fixed":"4cdda7f868f48e2f81579371584fdbdce37df2c8"},{"fixed":"8a1d6e40dedfe1068aee094d851bd69e289c9fd6"},{"fixed":"0afc802160af0df61ed374fdb97fb34cfe5cdf2f"},{"fixed":"7c34f91305292083253df6a9f6c8ede02d4ccaea"},{"fixed":"ddddd8271359961e403d11c90c9ba9fc38914f7e"},{"fixed":"9e5da2379f968a3ea5a6e38921ab6201576466dc"},{"fixed":"573810f61bcd6b6815e2ff53bbdd2b9c9d747176"},{"fixed":"66eba0ffce3b7e11449946b4cbbef8ea36112f56"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53268.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.20"},{"fixed":"5.10.259"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.94"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.36"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53268.json"}}],"schema_version":"1.7.5"}