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CVE-2009-2194

15
FAUCET Score

CVE-2009-2194 describes a denial-of-service vulnerability affecting Apple Mac OS X 10.5 prior to 10.5.8 and Mac OS X Server. The flaw stems from improper file descriptor sharing over local sockets, allowing a local user to trigger a system crash by sending file descriptors to a socket without a receiver. With a CVSS score of 4.9, this vulnerability is considered medium severity, requiring local access and low attack complexity to achieve a complete system availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.5.6CPE matchmatch criteria
cpe:2.3:a:apple:mac_os_x:10.5.6:*:*:*:*:*:*:*
10.5CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5:*:*:*:*:*:*:*
10.5.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.0:*:*:*:*:*:*:*
10.5.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.1:*:*:*:*:*:*:*
10.5.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
33.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 61st percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

applepatch availablevia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2009/Aug/msg00001.html
PatchVendor Advisory
osvdb.org / 56836
secunia.com / advisories/36096
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/52439
support.apple.com / kb/HT3757
PatchVendor Advisory
securityfocus.com / bid/35954
Patch
securitytracker.com / id
us-cert.gov / cas/techalerts/TA09-218A.html
US Government Resource
vupen.com / english/advisories/2009/2172
PatchVendor Advisory