{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T14:06:56.365","vulnerabilities":[{"cve":{"id":"CVE-2022-2663","sourceIdentifier":"secalert@redhat.com","published":"2022-09-01T21:15:09.653","lastModified":"2026-06-17T04:42:18.443","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured."},{"lang":"es","value":"Se ha encontrado un problema en el kernel de Linux en la función nf_conntrack_irc en el que el manejo de los mensajes puede confundirse y hacerlos coincidir incorrectamente. Se ha encontrado un problema en el kernel de Linux en nf_conntrack_irc donde el manejo de mensajes puede confundirse y coincidir incorrectamente con el mensaje"}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"n/a","product":"Linux kernel","versions":[{"version":"unknown","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-923"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","matchCriteriaId":"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]}],"references":[{"url":"https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663","source":"secalert@redhat.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/","source":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5257","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2022/08/30/1","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=WIq-YgQuYCA","source":"secalert@redhat.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5257","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2022/08/30/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=WIq-YgQuYCA","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}