{"id":"CVE-2018-16301","title":"The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile()","summary":"The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-190","CWE-787","CWE-120"],"vendor":"tcpdump","product":"tcpdump","affected":["tcpdump < 4.99.0"],"patched":["tcpdump 4.99.0"],"published":"2019-10-03","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:16:45.897","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-16301","references":[{"url":"https://github.com/the-tcpdump-group/tcpdump/commit/ad7c25bc0decf96dc7768c9e903734d38528b1bd","label":"security@tcpdump.org"},{"url":"https://github.com/the-tcpdump-group/tcpdump/commit/ad7c25bc0decf96dc7768c9e903734d38528b1bd","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-16301.json"},{"url":"https://access.redhat.com/security/cve/CVE-2018-16301"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1760500"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-16301"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16301"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00626,"epssPercentile":0.49786,"ingestedAt":"2026-10-08T23:16:47.300Z","scores":{"nvd":7.8,"vendor":5.3},"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-08T21:04:02.750270Z"},"slug":"CVE-2018-16301","body":"## Overview\n\nThe command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.\n\n## Affected\n\n- `tcpdump < 4.99.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tcpdump 4.99.0`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-16301.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}