VDB

CVE-2021-4021

CVE-2021-4021 PUBLISHED CVSS 7.5 HIGH

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

EPSS 1.05% · 61.8th percentile

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.05%
61.8th percentile

Affected Products

VendorProductVersions
n/aradare2radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2
radareradare20

Timeline

  • Feb 24, 2022 CVE Published
  • Feb 25, 2022 EPSS Score
  • Apr 18, 2022 EPSS Score
  • Jun 9, 2022 EPSS Score
  • Aug 1, 2022 EPSS Score
  • Sep 22, 2022 EPSS Score
  • Nov 13, 2022 EPSS Score
  • Jan 4, 2023 EPSS Score
  • Feb 25, 2023 EPSS Score
  • Apr 18, 2023 EPSS Score
  • Jun 9, 2023 EPSS Score
  • Jul 31, 2023 EPSS Score
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