What’s Vulnerable › Vulnerabilities

CVE-2020-24133

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap buffer overflow vulnerability in the r_asm_swf_disass function of Radare2-extras before commit e74a93c allows attackers to execute arbitrary code or carry out denial of service (DOS) attacks.

Affected products

• Radare2-Extras: before 5.1.0 — fixed in 5.1.0

How to fix

Upgrade to a fixed version: Radare2-Extras 5.1.0. Check the vendor advisory for mitigations.

References

• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/radareorg/radare2-extras/pull/255
• https://github.com/radareorg/radare2-extras/pull/255/commits/4a8b24475549ff10bdf6d07fd4b5f6c1cc6246ea
• https://github.com/radareorg/radare2-extras/pull/255/commits/9f6a221433964d9b14f3ed78bc9fb059395b893b
• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/radareorg/radare2-extras/pull/255
• https://github.com/radareorg/radare2-extras/pull/255/commits/4a8b24475549ff10bdf6d07fd4b5f6c1cc6246ea
• https://github.com/radareorg/radare2-extras/pull/255/commits/9f6a221433964d9b14f3ed78bc9fb059395b893b

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