{"id":"UBUNTU-CVE-2018-25220","details":"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.","modified":"2026-05-20T16:03:39.041099106Z","published":"2026-03-28T12:16:00Z","upstream":["CVE-2018-25220"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-25220"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-25220"},{"type":"REPORT","url":"https://www.exploit-db.com/exploits/43979"},{"type":"REPORT","url":"http://bochs.sourceforge.net/"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/bochs-5-buffer-overflow-remote-code-execution"}],"affected":[{"package":{"name":"bochs","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/bochs?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6-2build1","2.6-5","2.6-5build1"],"ecosystem_specific":{"binaries":[{"binary_name":"bochs","binary_version":"2.6-5build1"},{"binary_name":"bochs-sdl","binary_version":"2.6-5build1"},{"binary_name":"bochs-term","binary_version":"2.6-5build1"},{"binary_name":"bochs-wx","binary_version":"2.6-5build1"},{"binary_name":"bochs-x","binary_version":"2.6-5build1"},{"binary_name":"bochsbios","binary_version":"2.6-5build1"},{"binary_version":"2.6-5build1","binary_name":"bximage"},{"binary_version":"2.6-5build1","binary_name":"sb16ctrl-bochs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-25220.json"}},{"package":{"name":"bochs","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bochs?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6-5build1","2.6-5build2"],"ecosystem_specific":{"binaries":[{"binary_name":"bochs","binary_version":"2.6-5build2"},{"binary_name":"bochs-sdl","binary_version":"2.6-5build2"},{"binary_name":"bochs-term","binary_version":"2.6-5build2"},{"binary_name":"bochs-wx","binary_version":"2.6-5build2"},{"binary_name":"bochs-x","binary_version":"2.6-5build2"},{"binary_name":"bochsbios","binary_version":"2.6-5build2"},{"binary_name":"bximage","binary_version":"2.6-5build2"},{"binary_name":"sb16ctrl-bochs","binary_version":"2.6-5build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-25220.json"}},{"package":{"name":"bochs","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/bochs?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.9+dfsg-3build1","2.6.9+dfsg-4","2.6.9+dfsg-5","2.6.10+dfsg-2","2.6.11+dfsg-1","2.6.11+dfsg-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"bochs","binary_version":"2.6.11+dfsg-1build1"},{"binary_version":"2.6.11+dfsg-1build1","binary_name":"bochs-sdl"},{"binary_name":"bochs-term","binary_version":"2.6.11+dfsg-1build1"},{"binary_version":"2.6.11+dfsg-1build1","binary_name":"bochs-wx"},{"binary_name":"bochs-x","binary_version":"2.6.11+dfsg-1build1"},{"binary_version":"2.6.11+dfsg-1build1","binary_name":"bochsbios"},{"binary_version":"2.6.11+dfsg-1build1","binary_name":"bximage"},{"binary_name":"sb16ctrl-bochs","binary_version":"2.6.11+dfsg-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-25220.json"}},{"package":{"name":"bochs","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/bochs?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.11+dfsg-4","2.7+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.7+dfsg-2","binary_name":"bochs"},{"binary_name":"bochs-sdl","binary_version":"2.7+dfsg-2"},{"binary_name":"bochs-term","binary_version":"2.7+dfsg-2"},{"binary_name":"bochs-wx","binary_version":"2.7+dfsg-2"},{"binary_version":"2.7+dfsg-2","binary_name":"bochs-x"},{"binary_name":"bochsbios","binary_version":"2.7+dfsg-2"},{"binary_version":"2.7+dfsg-2","binary_name":"bximage"},{"binary_version":"2.7+dfsg-2","binary_name":"sb16ctrl-bochs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-25220.json"}},{"package":{"name":"bochs","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/bochs?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7+dfsg-4build1","2.7+dfsg-4build4","2.7+dfsg-4build5"],"ecosystem_specific":{"binaries":[{"binary_name":"bochs","binary_version":"2.7+dfsg-4build5"},{"binary_name":"bochs-sdl","binary_version":"2.7+dfsg-4build5"},{"binary_version":"2.7+dfsg-4build5","binary_name":"bochs-term"},{"binary_version":"2.7+dfsg-4build5","binary_name":"bochs-wx"},{"binary_name":"bochs-x","binary_version":"2.7+dfsg-4build5"},{"binary_name":"bochsbios","binary_version":"2.7+dfsg-4build5"},{"binary_version":"2.7+dfsg-4build5","binary_name":"bximage"},{"binary_name":"sb16ctrl-bochs","binary_version":"2.7+dfsg-4build5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/20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