CVE-2020-9837 json
An out-of-bounds read was addressed with improved bounds checking.
published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30616
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5. A remote attacker may be able to leak memory.
Patch / fix
- Apple iOS iOS 13.5 and iPadOS 13.5
- Apple macOS macOS Catalina 10.15.5
- Apple tvOS tvOS 13.4.5
Exploit prediction
2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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
- Apple tvOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.apple.com
/HT211168
vendor-advisory
-
support.apple.com
/HT211170
vendor-advisory
-
support.apple.com
/HT211171
vendor-advisory
Sources
- CVE List CVE-2020-9837
- NVD CVE-2020-9837
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.