CVE-2018-20456

PoC —

CVSS 3.0

5.5 medium

EPSS

1%p61

Published

Dec 25, 2018 (Dec 25, 2018)

Modified

Jun 17, 2026

Description

In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.

Vendors: radare
Products: radare2
Weakness: CWE-125
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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