Apple watchOS: Users removed from an iMessage conversation may still be able to alter…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
This issue was addressed with improved checks. This issue is fixed in watchOS 5.3. Users removed from an iMessage conversation may still be able to alter state.
Why it matters now
EPSS 0.00811 57th percentileScored 2026-11-07
Fix Fixed watchOS (Apple): watchOS 5.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA watchOS (Apple) Fixed in watchOS 5.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple watchOS watchOS 5.3
19 records Highest priority Priority MEDIUM 15 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2019-06227 Out-of-bounds write in Apple iOSPriority MEDIUM 57
- TI-2019-06219 Use after free in Apple iOSPriority MEDIUM 57
- TI-2019-06229 Use after free in Apple iOSPriority MEDIUM 54
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8659
- 2026-10-03 Alias added: GHSA-gc46-w864-5qv9
References
Advisory 1
More Apple Watchos vulnerabilities
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-28228 Use after free in Apple Safari KEVCVSS 3.1HIGH 8.8
- TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
- TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2019-8659 · CVE Program
- CVE-2019-8659 · NVD
- FIRST EPSS
- GHSA-gc46-w864-5qv9 · GitHub Advisory Database · CC BY 4.0
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