{"id":"CVE-2008-1952","aliases":["EUVD-2008-1950","GHSA-9fj9-7hv4-wf6g","RHSA-2008:0892"],"status":"published","title":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly...","description":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00379,"percentile":0.3209,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2008-06-23T19:00:00Z","modified":"2026-06-26T12:18:41Z","affected":[{"source":"osv","ecosystem":"Red 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Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2008/05/21/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securitytracker.com/id?1020957","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/43362","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://rhn.redhat.com/errata/RHSA-2008-0892.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.securityfocus.com/bid/30646","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1952","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9fj9-7hv4-wf6g"},{"url":"https://access.redhat.com/errata/RHSA-2008:0892","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=445844","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=447759","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=454651","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0892.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-1945","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-1945","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1945","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-1952","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-1952","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2008-1952","description":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.","status":"published","published":"2008-06-23T19:00:00Z","modified":"2024-08-07T08:40:59.908Z","updated_at":"2026-11-02T14:34:47.310062Z"}],"euvd":[{"id":"EUVD-2008-1950","description":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.","status":"published","published":"2008-06-23T19:00:00Z","modified":"2024-08-07T08:40:59Z","updated_at":"2026-11-03T01:38:59.221562Z"}],"ghsa":[{"id":"GHSA-9fj9-7hv4-wf6g","title":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly...","description":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.","status":"published","published":"2022-05-01T23:45:17Z","modified":"2023-01-31T05:05:56Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:56.705904Z"}],"nvd":[{"id":"CVE-2008-1952","description":"The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.","status":"published","published":"2008-06-23T19:41:00Z","modified":"2026-06-16T22:52:49.427Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:26.626719Z"}],"osv":[{"id":"RHSA-2008:0892","title":"Red Hat Security Advisory: xen security and bug 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