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Case File

CVE-2019-17543

HIGH · CVSS 8.1 EPSS 9.12% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-10-14 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-17543
Severity
HIGH
CVSS
8.1
EPSS
9.12%

Original NVD Description

LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."

Related CVEs

Other vulnerabilities affecting the same vendor(s)