What is CVE-2022-1052?

CVE-2022-1052 is a medium-severity vulnerability in Radare Radare2, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-03-24.

How severe is CVE-2022-1052?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-1052 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Radare Radare2

CVE-2022-1052

Heap Buffer Overflow in iterate_chained_fixups in GitHub repository radareorg/radare2 prior to 5.6.6.

Vulnerability class: Buffer Overflow

Published 2022-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Radare Radare2
Radareorg Radareorg/radare2 — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.dev/bounties/3b3b7f77-ab8d-4de3-999b-eeec0a3eebe7 (Exploit, Third Party Advisory)
github.com/radareorg/radare2/commit/0052500c1ed5bf8263b26b9fd7773dbdc6f170c4 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1052?: CVE-2022-1052 is a medium-severity vulnerability in Radare Radare2, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-03-24.
How severe is CVE-2022-1052?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-1052 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.