How severe is CVE-2022-0523?

CVE-2022-0523 has a CVSS 3.x base score of 7.8, 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 high, and availability high.

Is CVE-2022-0523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0523?

CVE-2022-0523 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-2022-0523?

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-2022-0523 published?

CVE-2022-0523 was published on 2022-02-08 and last updated on 2026-06-17.

CVE-2022-0523

CVE-2022-0523 is a high-severity vulnerability in Radare Radare2 with a CVSS 3.x base score of 7.8. 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Radare Radare2
Published: 2022-02-08
Last modified: 2026-06-17

Description

Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.

Frequently asked questions

What is CVE-2022-0523?: Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.
How severe is CVE-2022-0523?: CVE-2022-0523 has a CVSS 3.x base score of 7.8, 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 high, and availability high.
Is CVE-2022-0523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0523?: CVE-2022-0523 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-2022-0523?: 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-2022-0523 published?: CVE-2022-0523 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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