CVE catalog
CVE-2018-20456
UBUNTU-CVE-2018-20456
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.00% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | radare2 | 16.04 | 0.9.6-3.1ubuntu1 | vulnerable |
| Ubuntu | radare2 | pro | 1.6.0+dfsg-1 | vulnerable |
| Ubuntu | radare2 | pro | 2.0.0+dfsg-1 | vulnerable |
| Ubuntu | radare2 | pro | 2.1.0+dfsg-1 | vulnerable |
| Ubuntu | radare2 | pro | 2.3.0+dfsg-1 | vulnerable |
| Ubuntu | radare2 | pro | 2.3.0+dfsg-2 | vulnerable |
| Ubuntu | radare2 | pro | 2.3.0+dfsg-2ubuntu0.1~esm1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: