5.5

CVE-2021-44974: radare radare2 NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-44974
Published 25-05-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-44974 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in radare radare2. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.89%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3github, reference

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2022-0440

Timeline

  1. 25-05-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

radareorg radare2 version 5.5.2 is vulnerable to NULL Pointer Dereference via libr/bin/p/bin_symbols.c binary symbol parser.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

+0.01 pp

From 0.88% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • githubUnverified

    Radare2

    Maturity: poc

  • referenceUnverified

    Exploit Reference (census-labs.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Radare1 product
Ubuntu1 product
  • radare2All versions (No fix recorded)

2 vendors · 2 products

References

6 links