What’s Vulnerable › Vulnerabilities

CVE-2022-1052: Heap Buffer Overflow in iterate_chained_fixups in radareorg/radare2

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-24 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap Buffer Overflow in iterate_chained_fixups in GitHub repository radareorg/radare2 prior to 5.6.6.

Affected products

• radareorg/radare2: before 5.6.6 — fixed in 5.6.6

How to fix

Upgrade to a fixed version: radareorg/radare2 5.6.6. Check the vendor advisory for mitigations.

References

• https://github.com/radareorg/radare2/commit/0052500c1ed5bf8263b26b9fd7773dbdc6f170c4
• https://huntr.dev/bounties/3b3b7f77-ab8d-4de3-999b-eeec0a3eebe7
• https://github.com/radareorg/radare2/commit/0052500c1ed5bf8263b26b9fd7773dbdc6f170c4
• https://huntr.dev/bounties/3b3b7f77-ab8d-4de3-999b-eeec0a3eebe7

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