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TI-2016-04006 Aliases CVE-2016-4644GHSA-p9wg-r6p8-r2pv

In iOS before 9.3.3, tvOS before 9.2.2, and OS X El Capitan before v10.11.6 and Security…

Priority LOW 32CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

In iOS before 9.3.3, tvOS before 9.2.2, and OS X El Capitan before v10.11.6 and Security Update 2016-004, a downgrade issue existed with HTTP authentication credentials saved in Keychain. This issue was addressed by storing the authentication types with the credentials.

Why it matters now

EPSS 0.01332 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:*before 9.2.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 9.3.3VulnerableApple
cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:*10.11.0 to before 10.11.6VulnerableApple
  • cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:* Versions before 9.2.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 9.3.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:* Versions 10.11.0 to before 10.11.6 Vulnerable ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-4644
  2. 2026-10-03 Alias added: GHSA-p9wg-r6p8-r2pv

References

Advisory 3

  • TI-2018-03197 Memory corruption in Apple Kernel CVSS 3.0HIGH 7.8
  • TI-2018-03047 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
  • TI-2017-01643 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
  • TI-2018-03248 In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update… CVSS 3.0CRITICAL 9.8
  • TI-2018-03195 Memory corruption in Apple Kernel CVSS 3.0HIGH 7.8
  • TI-2018-03144 In iOS before 11.2.5, macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra… CVSS 3.0CRITICAL 9.8
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences