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CVE-2011-3259
The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which…
Medium5.0EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (6)
- appleios-tcp-dos(70530) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- APPLE-SA-2011-10-12-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- http://support.apple.com/kb/HT4999 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://support.apple.com/kb/HT5001 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 50087 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- APPLE-SA-2011-10-12-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .