AUGUST 4, 2026
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Case File

CVE-2021-23191

HIGH · CVSS 7.8 EPSS 1.10% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-02 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

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-2021-23191
Severity
HIGH
CVSS
7.8
EPSS
1.10%

Original NVD Description

A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)