How severe is CVE-2022-0521?

CVE-2022-0521 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2022-0521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0521?

CVE-2022-0521 primarily affects Radare Radare2. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-0521?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-0521 published?

CVE-2022-0521 was published on 2022-02-08 and last updated on 2026-06-17.

CVE-2022-0521

CVE-2022-0521 is a high-severity vulnerability in Radare Radare2 with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Radare Radare2
Published: 2022-02-08
Last modified: 2026-06-17

Description

Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2.

Frequently asked questions

What is CVE-2022-0521?: Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2.
How severe is CVE-2022-0521?: CVE-2022-0521 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2022-0521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0521?: CVE-2022-0521 primarily affects Radare Radare2. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-0521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-0521 published?: CVE-2022-0521 was published on 2022-02-08 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

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