CVE-2019-8663 json
This issue was addressed with improved checks.
published 2019-12-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18053
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.7%
- EPSS 6.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 1
- Exploit-DB
Summary
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
Patch / fix
- Apple iOS iOS 12.4
- Apple macOS macOS Mojave 10.14.6
Timeline
- First public exploit (EDB-47257)
- Published
Exploit prediction
6.69% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47257 NSKeyedUnarchiver - Info Leak in Decoding SGBigUTF8String dos, 2019-08-15
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Apple iOS
- Apple macOS
References
-
support.apple.com
/HT210346
vendor-advisory
-
support.apple.com
/HT210348
vendor-advisory
Sources
- CVE List CVE-2019-8663
- NVD CVE-2019-8663
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.