{"cve":"CVE-2014-4020","nvd":{"published":"2014-06-18T16:55:08.233","modified":"2026-06-17T00:09:18.277","status":"Modified","description":"The dissect_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x before 1.10.8 interprets a negative integer as a length value even though it was intended to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://lists.opensuse.org/opensuse-updates/2014-06/msg00049.html","http://www.wireshark.org/security/wnpa-sec-2014-07.html","https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10030","https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9999","https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beb119f911a698d44f4baa06d888bb1e775983bc"],"products":["wireshark:wireshark"],"source":"nvd","synced_at":"2026-10-19T20:33:06.232976534+00:00"},"epss":{"cve":"CVE-2014-4020","score":0.01413,"percentile":0.72717,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}