What’s Vulnerable › Vulnerabilities

CVE-2018-19843

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-04 · updated 2026-06-17
• Weakness: CWE-125

Description

opmov in libr/asm/p/asm_x86_nz.c in radare2 before 3.1.0 allows attackers to cause a denial of service (buffer over-read) via crafted x86 assembly data, as demonstrated by rasm2.

Affected products

• radareorg/radare2: before 3.1.1 — fixed in 3.1.1

How to fix

Upgrade to a fixed version: radareorg/radare2 3.1.1. Check the vendor advisory for mitigations.

References

• https://github.com/radare/radare2/commit/f17bfd9f1da05f30f23a4dd05e9d2363e1406948
• https://github.com/radare/radare2/issues/12242
• https://github.com/radare/radare2/commit/f17bfd9f1da05f30f23a4dd05e9d2363e1406948
• https://github.com/radare/radare2/issues/12242

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