{"id":"CVE-2026-119600","aliases":[],"cve":{"records":[{"id":"CVE-2026-119600","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T11:46:46.502Z","published":"2026-10-30T13:18:19.167Z","modified":"2026-10-30T13:18:19.167Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T13:18:19.167Z"}],"references":[{"url":"https://github.com/simsong/tcpflow/issues/279","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L781","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L747","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://hackmd.io/@haindpwn/tcpflow-ip-payload-length-oob-read","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/simsong/tcpflow","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/tcpflow-through-1.6.1-out-of-bounds-read-via-tcp-demultiplexer-payload-length","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-130","description":"Improper Handling of Length Parameter Inconsistency","source":"VulnCheck"}],"applicability":[],"prioritization":[]},"title":"tcpflow through 1.6.1 Out-of-Bounds Read via TCP Demultiplexer Payload Length","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"tcpflow through 1.6.1 contains an out-of-bounds read vulnerability that allows unauthenticated attackers to read process memory by sending packets with forged IP payload lengths. Attackers can inject crafted IPv4 or IPv6 TCP packets into captured traffic or pcap files to leak adjacent memory into reconstructed flow files or crash tcpflow.","score":6.3,"severity":"medium","published":"2026-10-30T13:18:19.167Z","modified":"2026-10-30T13:18:19.167Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"simsong","name":"tcpflow","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.6.1","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119600"}],"remediation":[],"references":["https://github.com/simsong/tcpflow/issues/279","https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L781","https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L747","https://hackmd.io/@haindpwn/tcpflow-ip-payload-length-oob-read","https://github.com/simsong/tcpflow","https://www.vulncheck.com/advisories/tcpflow-through-1.6.1-out-of-bounds-read-via-tcp-demultiplexer-payload-length"],"sources":[{"name":"CVE","id":"CVE-2026-119600","modified":"2026-10-30T13:18:19.167Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119600"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","score":4.8}],"sourceAffected":[],"observedAt":"2026-10-30T14:53:16.156Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T13:10:31.620Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T15:15:31.233Z","attemptedAt":"2026-10-30T15:15:31.233Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-30T15:15:31.044Z","attemptedAt":"2026-10-30T15:15:31.044Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T15:15:30.912Z","attemptedAt":"2026-10-30T15:15:30.912Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T15:15:31.233Z","attemptedAt":"2026-10-30T15:15:31.233Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-113937","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113937","modified":"Oct 30, 2026, 1:18:19 PM","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","checkedAt":"2026-10-30T15:15:30.912Z"},{"source":"NVD","id":"CVE-2026-119600","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119600","modified":"2026-10-30T14:16:48.333","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-30T15:15:31.233Z"},{"source":"NVD","id":"CVE-2026-119600","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119600","modified":"2026-10-30T14:16:48.333","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","checkedAt":"2026-10-30T15:15:31.233Z"}],"aiSummary":{"text":"tcpflow versions up to 1.6.1 have an out-of-bounds read vulnerability, allowing unauthenticated attackers to read process memory by sending crafted TCP packets. This can leak adjacent memory or crash tcpflow. Attackers can inject packets into captured traffic or pcap files.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T15:01:10.846Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119600"}]}}