AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-43311

HIGH · CVSS 7.5 EPSS 0.82% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-03-24 · 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

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

CVE
CVE-2021-43311
Severity
HIGH
CVSS
7.5
EPSS
0.82%
Linux

Original NVD Description

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

Related CVEs

Other vulnerabilities affecting the same vendor(s)