AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2019-19203

HIGH · CVSS 7.5 EPSS 4.05% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-11-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. 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-2019-19203
Severity
HIGH
CVSS
7.5
EPSS
4.05%

Original NVD Description

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.

Related CVEs

Other vulnerabilities affecting the same vendor(s)