{"cve":"CVE-2008-4539","nvd":{"published":"2008-12-29T15:24:23.563","modified":"2026-06-16T22:58:01.740","status":"Modified","description":"Heap-based buffer overflow in the Cirrus VGA implementation in (1) KVM before kvm-82 and (2) QEMU on Debian GNU/Linux and Ubuntu might allow local users to gain privileges by using the VNC console for a connection, aka the LGD-54XX \"bitblt\" heap overflow.  NOTE: this issue exists because of an incorrect fix for CVE-2007-1320.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://git.kernel.dk/?p=qemu.git%3Ba=commitdiff%3Bh=65d35a09979e63541afc5bfc595b9f1b1b4ae069","http://groups.google.com/group/linux.debian.changes.devel/msg/9e0dc008572f2867?dmode=source","http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html","http://secunia.com/advisories/25073","http://secunia.com/advisories/29129"],"products":["canonical:ubuntu_linux","debian:debian_linux","kvm_qumranet:kvm","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2008-4539","score":0.00537,"percentile":0.4528,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}