CVE-2019-16410

CVE-2019-16410 is a critical vulnerability published on September 24, 2019. An issue was discovered in Suricata 4.1.4. By sending multiple fragmented IPv4 packets, the function Defrag4Reassemble in defrag.c tries to access a memory region that is not allocated, because of a lack of header_len checking.

CVE-2019-16410 was first published in the National Vulnerability Database on September 24, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2019-16410 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

CVE-2019-16410 has a CVSS v3 base score of 9.1 (NVD).

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16410, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.