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CVE-2009-0139

24
FAUCET Score

CVE-2009-0139 describes an integer overflow in the SMB component of Apple Mac OS X 10.5.6, affecting both client and server versions. This critical vulnerability allows remote SMB servers to trigger a heap-based buffer overflow, leading to a denial of service (system shutdown) or arbitrary code execution. Despite its high CVSS score of 9.3, indicating a network-exploitable vulnerability with high impact, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
10.5.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.6:*:*:*:*:*:*:*
10.5.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:10.5.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.86%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0286 is in the 43rd percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.apple.com / archives/security-announce/2009/Feb/msg00000.html
PatchVendor Advisory
secunia.com / advisories/33937
support.apple.com / kb/HT3438
vupen.com / english/advisories/2009/0422