7.5

CVE-2022-4843: radare radare2 NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-4843
Published 29-12-2022Last modified 09-04-2025
Open JSON

Vulnerability summary

CVE-2022-4843 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in radare radare2. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.71%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 29-12-2022
    PublishedVulnerability first disclosed.
  2. 09-04-2025
    Last modifiedVulnerability information updated.

Description

NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.

CVSS metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.01 pp

From 0.70% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (huntr.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Radare1 product
Radareorg1 product
Ubuntu1 product
  • radare2All versions (No fix recorded)

3 vendors · 3 products

References

6 links