Medium 4.9Published Jun 5, 2013

CVE-2013-3953The mach_port_space_info function in osfmk/ipc/mach_debug.c in the XNU kernel in Apple Mac OS X 10.8.x does not initialize a certain structure member, which allows local users to obtain sensitive inf…

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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The mach_port_space_info function in osfmk/ipc/mach_debug.c in the XNU kernel in Apple Mac OS X 10.8.x does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted call.

CVSS: 4.9 MEDIUM (v2.0, NVD)AV:L/AC:L/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple mac_os_x apple:mac_os_x	10.8.0; 10.8.1; 10.8.2; 10.8.3; 10.8.4	NVD
apple iphone_os apple:iphone_os	through 6.1.4; 1.0.0; 1.0.1; 1.0.2; 1.1.0; 1.1.1; 1.1.2; 1.1.3; and 40 more ranges	NVD

References

References

http://antid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdf	exploit
http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html
http://support.apple.com/kb/HT5934
http://www.securitytracker.com/id/1029054
http://www.syscan.org/index.php/sg/program/day/2

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.