{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53268","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.395Z","datePublished":"2026-06-25T08:39:54.511Z","dateUpdated":"2026-06-28T06:41:12.729Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-28T06:41:12.729Z"},"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","baseScore":8.2,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_conntrack_irc.c"],"versions":[{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"4cdda7f868f48e2f81579371584fdbdce37df2c8","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"8a1d6e40dedfe1068aee094d851bd69e289c9fd6","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"0afc802160af0df61ed374fdb97fb34cfe5cdf2f","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"7c34f91305292083253df6a9f6c8ede02d4ccaea","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"ddddd8271359961e403d11c90c9ba9fc38914f7e","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"9e5da2379f968a3ea5a6e38921ab6201576466dc","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"573810f61bcd6b6815e2ff53bbdd2b9c9d747176","status":"affected","versionType":"git"},{"version":"869f37d8e48f3911eb70f38a994feaa8f8380008","lessThan":"66eba0ffce3b7e11449946b4cbbef8ea36112f56","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_conntrack_irc.c"],"versions":[{"version":"2.6.20","status":"affected"},{"version":"0","lessThan":"2.6.20","status":"unaffected","versionType":"semver"},{"version":"5.10.259","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.20","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8"},{"url":"https://git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6"},{"url":"https://git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f"},{"url":"https://git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaea"},{"url":"https://git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7e"},{"url":"https://git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dc"},{"url":"https://git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176"},{"url":"https://git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56"}],"title":"netfilter: conntrack_irc: fix possible out-of-bounds read","x_generator":{"engine":"bippy-1.2.0"}}}}