Skip to content
Fencer Vulns
medium 4.4

CVE-2022-4843 json

NULL Pointer Dereference in radareorg/radare2

published 2022-12-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52117

cvss
4.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

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

Patch / fix

  • radareorg radareorg/radare2 5.8.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-4843 updated

radare2: Fix null deref in io.bank

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 4.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • radareorg radareorg/radare2

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.