How severe is CVE-2022-0559?

CVE-2022-0559 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-0559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0559?

CVE-2022-0559 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-2022-0559?

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

When was CVE-2022-0559 published?

CVE-2022-0559 was published on 2022-02-16 and last updated on 2026-06-17.

CVE-2022-0559

CVE-2022-0559 is a critical-severity vulnerability in Radare Radare2 with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Radare Radare2
Published: 2022-02-16
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-2022-0559?: Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.
How severe is CVE-2022-0559?: CVE-2022-0559 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-0559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0559?: CVE-2022-0559 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-2022-0559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-0559 published?: CVE-2022-0559 was published on 2022-02-16 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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