CVE-2008-3687
MEDIUM · CVSS 6.8EPSS 2.9%EU EUVD
Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-3673)
- Published
- August 14, 2008
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-3673 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- xen / xen
- xen / xen flask module
References
- http://invisiblethingslab.com/bh08/part2.pdf
- http://secunia.com/advisories/31561
- http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html
- http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html(Patch)
- http://www.securityfocus.com/bid/30834
- http://www.securitytracker.com/id?1020731
- http://www.vupen.com/english/advisories/2008/2426
- http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44608
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain