CVE-2020-9783 json
A use after free issue was addressed with improved memory management.
published 2020-04-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30562
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to code execution.
Patch / fix
- Apple iOS iOS 13.4 and iPadOS 13.4
- Apple tvOS tvOS 13.4
- Apple Safari Safari 13.1
- Apple iTunes for Windows iTunes for Windows 12.10.5
- Apple iCloud for Windows iCloud for Windows 10.9.3
- Apple iCloud for Windows (Legacy) iCloud for Windows 7.18
Exploit prediction
1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Apple iOS
- Apple tvOS
- Apple Safari
- Apple iTunes for Windows
- Apple iCloud for Windows
- Apple iCloud for Windows (Legacy)
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/HT211102
vendor-advisory
-
support.apple.com
/HT211101
vendor-advisory
-
support.apple.com
/HT211104
vendor-advisory
-
support.apple.com
/HT211105
vendor-advisory
-
support.apple.com
/HT211106
vendor-advisory
-
support.apple.com
/HT211107
vendor-advisory
Sources
- CVE List CVE-2020-9783
- NVD CVE-2020-9783
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.