Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a "synchronization issue."
Published Aug 6, 2009
4.9
MEDIUMCVSS 2.0
EPSS 0.40%
Description
Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a "synchronization issue."
Affected products
No data.
- 10.5.6
- 10.5
- 10.5.0
- 10.5.1
- 10.5.2
- 10.5.2
- 10.5.3
- 10.5.4
- 10.5.5
- 10.5.6
- 10.5.7
- 10.5
- 10.5.0
- 10.5.1
- 10.5.2
- 10.5.3
- 10.5.4
- 10.5.5
- 10.5.6
- 10.5.7
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.40% (0.00404) | 32.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00404) | 31.96th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00165) | 35.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00045) | 17.96th | v3 (v2023.03.01) |
| May 1, 2024 | 0.04% (0.00045) | 14.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html vendor-advisoryx_refsource_APPLEPatchVendor Advisory
- http://osvdb.org/56836 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/36096 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://support.apple.com/kb/HT3757 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/35954 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1022672 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-218A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/2172 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52439 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html | vendor-advisoryx_refsource_APPLEPatchVendor Advisory | |
| http://osvdb.org/56836 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/36096 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://support.apple.com/kb/HT3757 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.securityfocus.com/bid/35954 | vdb-entryx_refsource_BIDPatch | |
| http://www.securitytracker.com/id?1022672 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA09-218A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2009/2172 | vdb-entryx_refsource_VUPENPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/52439 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.