{"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": "2026-06-25T08:39:54.511Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:54.511Z"}, "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."}], "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"}}}}

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