How severe is CVE-2022-1649?

CVE-2022-1649 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-1649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1649?

CVE-2022-1649 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1649?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1649 published?

CVE-2022-1649 was published on 2022-05-10 and last updated on 2026-06-17.

CVE-2022-1649

CVE-2022-1649 is a medium-severity vulnerability in Radare Radare2 with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Radare Radare2
Published: 2022-05-10
Last modified: 2026-06-17

Description

Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in GitHub repository radareorg/radare2 prior to 5.7.0. It is likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/476.html).

Frequently asked questions

What is CVE-2022-1649?: Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in GitHub repository radareorg/radare2 prior to 5.7.0. It is likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/476.html).
How severe is CVE-2022-1649?: CVE-2022-1649 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-1649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1649?: CVE-2022-1649 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1649?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1649 published?: CVE-2022-1649 was published on 2022-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*

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