Vulnerability details

CVE-2018-25220

bochs BOCHS

Bochs 2.6-5 Buffer Overflow Remote Code Execution

CVSS 4.0
9.3Critical

Official description

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.

CVSS scores

ScoreVersionSourceVector
9.3Critical 4.0 CVEProject cvelistV5 (CNA) (VulnCheck) 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
9.8Critical 3.1 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
bochs BOCHS 2.6-5 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-03-28
Last updated
2026-03-30
State
Published
Assigner (CNA)
VulnCheck

Exploit prediction (EPSS)

0.64%
Probability of exploitation in 30 days
51.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-787
    Out-of-bounds Write