CVE-2018-25220

critical · 9.3

Bochs 2.6-5 contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized input string to the application. Attackers can craft a malicious payload with 1200 bytes of padding followed by a return-oriented programming chain to overwrite the instruction pointer and execute shell commands with application privileges.

9.3

CVSS

0.6%

EPSS (exploit prob.)

49th

EPSS percentile

2026-03-28

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-787

Affected products

Vendor	Product	Affected versions
bochs_project	bochs	2.6.5

Check a specific version with /api/v1/cve/match.

References

http://bochs.sourceforge.net/
https://www.exploit-db.com/exploits/43979
https://www.vulncheck.com/advisories/bochs-5-buffer-overflow-remote-code-execution

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-25220