CVE-2018-20455

5.5 mediumEPSS 1.1%

Medium (5.5) in radare radare2. EPSS 1.1% chance of exploitation in the next 30 days.

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 via a stack-based buffer overflow) by crafting an input file, a related issue to CVE-2018-20456.

Severity

CVSS 3.0

5.5 medium

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2018-12-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

radare:radare2

References

https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185
https://github.com/radare/radare2/issues/12373
https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185
https://github.com/radare/radare2/issues/12373

Check your stack JSON