What’s Vulnerable › Vulnerabilities

CVE-2022-1437: Heap-based Buffer Overflow in radareorg/radare2

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-22 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.7.0. The bug causes the program reads data past the end of the intented buffer. Typically, this can allow attackers to read sensitive information from other memory locations or cause a crash.

Affected products

• radareorg/radare2: before 5.7.0 — fixed in 5.7.0

How to fix

Upgrade to a fixed version: radareorg/radare2 5.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/radareorg/radare2/commit/669a404b6d98d5db409a5ebadae4e94b34ef5136
• https://huntr.dev/bounties/af6c3e9e-b7df-4d80-b48f-77fdd17b4038
• https://github.com/radareorg/radare2/commit/669a404b6d98d5db409a5ebadae4e94b34ef5136
• https://huntr.dev/bounties/af6c3e9e-b7df-4d80-b48f-77fdd17b4038

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