{"id":"CVE-2026-96423","aliases":[],"cve":{"records":[{"id":"CVE-2026-96423","source":"GitLab","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-23T05:42:00.660Z","published":"2026-09-29T09:30:38.019Z","modified":"2026-11-03T22:23:38.994Z"}],"publishers":[{"name":"GitLab","role":"CNA","organizationId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","modified":"2026-09-29T09:30:38.019Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-03T22:23:38.994Z"}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2026-108.html","tags":[],"source":"GitLab"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21563","tags":[],"source":"GitLab"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21563","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","source":"GitLab"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-14T03:57:43.488856Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Heap-based Buffer Overflow in Wireshark","titleSource":"GitLab","descriptionSource":"GitLab","description":"X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service","score":5.5,"severity":"medium","published":"2026-09-29T09:30:38.019Z","modified":"2026-11-03T22:23:38.994Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Wireshark Foundation","name":"Wireshark","platforms":[],"versions":[{"version":"4.6.0","status":"affected","lessThan":"4.6.9","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.19","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"GitLab","url":"https://www.cve.org/CVERecord?id=CVE-2026-96423"}],"remediation":[{"text":"Upgrade to version 4.6.9 or above","source":"GitLab","url":"https://www.cve.org/CVERecord?id=CVE-2026-96423"}],"references":["https://www.wireshark.org/security/wnpa-sec-2026-108.html","https://gitlab.com/wireshark/wireshark/-/work_items/21563"],"sources":[{"name":"CVE","id":"CVE-2026-96423","modified":"2026-11-03T22:23:38.994Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-96423"}],"assessments":[{"source":"GitLab","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5}],"sourceAffected":[],"observedAt":"2026-11-03T23:50:47.432Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:25:31.038Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-04T12:05:34.143Z","attemptedAt":"2026-11-04T12:05:34.143Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-04T12:05:34.800Z","attemptedAt":"2026-11-04T12:05:34.800Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-04T12:05:34.800Z","attemptedAt":"2026-11-04T12:05:34.800Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-04T12:05:34.800Z","attemptedAt":"2026-11-04T12:05:34.800Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-96423","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96423","modified":"2026-11-03T23:18:00.563","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","checkedAt":"2026-11-04T12:05:34.143Z"},{"source":"NVD","id":"CVE-2026-96423","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96423","modified":"2026-11-03T23:18:00.563","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","checkedAt":"2026-11-04T12:05:34.143Z"},{"source":"ENISA EUVD","id":"EUVD-2026-88714","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88714","modified":"Nov 3, 2026, 10:23:38 PM","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","checkedAt":"2026-11-04T12:05:34.800Z"},{"source":"FIRST EPSS","id":"CVE-2026-96423","url":"https://www.first.org/epss/","probability":0.00141,"percentile":0.03476,"date":"2026-11-03","checkedAt":"2026-11-04T12:05:34.800Z"},{"source":"GitHub Advisory Database","id":"GHSA-969r-pwxc-fjq2","url":"https://github.com/advisories/GHSA-969r-pwxc-fjq2","modified":"2026-10-06T15:32:32Z","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","checkedAt":"2026-11-04T12:05:34.800Z"}],"aiSummary":{"text":"Wireshark versions 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 have a heap-based buffer overflow weakness in the X11 protocol dissector, allowing denial of service. The vulnerability requires access to the X11 protocol dissector. The stated impact is a crash.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-03T23:56:07.506Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-96423"}]}}