AUGUST 4, 2026
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Case File

CVE-2021-30184

HIGH · CVSS 7.8 EPSS 1.77%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-07 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-30184
Severity
HIGH
CVSS
7.8
EPSS
1.77%

Original NVD Description

GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.

Related CVEs

Other vulnerabilities affecting the same vendor(s)