AUGUST 4, 2026
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Case File

CVE-2021-42859

HIGH · CVSS 7.5 EPSS 0.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-05-26 · 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. 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.

GitHub PoC Links

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

CVE
CVE-2021-42859
Severity
HIGH
CVSS
7.5
EPSS
0.99%

Original NVD Description

A memory leak issue was discovered in Mini-XML v3.2 that could cause a denial of service. NOTE: testing reports are inconsistent, with some testers seeing the issue in both the 3.2 release and in the October 2021 development code, but others not seeing the issue in the 3.2 release

Related CVEs

Other vulnerabilities affecting the same vendor(s)