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Case File

CVE-2021-39558

HIGH · CVSS 7.8 EPSS 1.05% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-20 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

Detected Signals
code execution
GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-39558
Severity
HIGH
CVSS
7.8
EPSS
1.05%

Original NVD Description

An issue was discovered in swftools through 20200710. A stack-buffer-overflow exists in the function VectorGraphicOutputDev::drawGeneralImage() located in VectorGraphicOutputDev.cc. It allows an attacker to cause code Execution.