High severity · published Dec 29, 2022
CVE-2022-4843
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Radare2 · Radare
before 5.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-4843
Patch
https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24
Exploit
https://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/
More from Radare2
9.8
CVE-2026-8696
radare2 6.1.5 Use-After-Free via gdbr_pids_list()
9.8
CVE-2026-8695
radare2 6.1.5 Use-After-Free via gdbr_threads_list()
9.8
CVE-2025-1864
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in radareorg radare2 allows Overflow Buffers.This issue affects radare2: before <5.9.9
9.8
CVE-2025-1744
Out-of-bounds Write vulnerability in radareorg radare2 allows heap-based buffer over-read or buffer overflow.This issue affects radare2: before <5.9.9
9.8
CVE-2024-29646
Buffer Overflow vulnerability in radarorg radare2 v.5.8.8 allows an attacker to execute arbitrary code via the name, type, or group fields