AUGUST 4, 2026
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Case File

CVE-2021-43086

CRITICAL · CVSS 9.8 EPSS 1.25% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-28 · 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.

GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-43086
Severity
CRITICAL
CVSS
9.8
EPSS
1.25%

Original NVD Description

ARM astcenc 3.2.0 is vulnerable to Buffer Overflow. When the compression function of the astc-encoder project with -cl option was used, a stack-buffer-overflow occurred in function encode_ise() in function compress_symbolic_block_for_partition_2planes() in "/Source/astcenc_compress_symbolic.cpp".