Is CVE-2009-2839 being actively exploited?

CVE-2009-2839 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-2839?

CVE-2009-2839 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2009-2839

MEDIUM · CVSS 6.8EPSS 2.1%EU EUVD

Screen Sharing in Apple Mac OS X 10.5.8 allows remote VNC servers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via unspecified vectors.

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-399
EPSS score: 2.1% (81th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-2829)
Published: November 10, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2829 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
apple / mac os x server

References

http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html(Patch, Vendor Advisory)
http://osvdb.org/59997
http://support.apple.com/kb/HT3937(Patch, Vendor Advisory)
http://www.securityfocus.com/bid/36956(Patch)
http://www.vupen.com/english/advisories/2009/3184

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