CVE-2020-9950 json
A use after free issue was addressed with improved memory management.
published 2020-12-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30729
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, tvOS 14.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Patch / fix
- Apple tvOS 14.0
- Apple watchOS 7.0
- Apple Safari 14.0
- Apple iOS and iPadOS 14.0
Exploit prediction
1.46% chance of exploitation in the next 30 days, higher than 73% 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 tvOS
- Apple watchOS
- Apple Safari
- Apple iOS and iPadOS
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/en-us/HT211843
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT211850
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT211844
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT211845
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-9950
- NVD CVE-2020-9950
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.