CVE-2020-9926 json
A use after free issue was addressed with improved memory management.
published 2021-04-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30705
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 13.6
- Apple macOS 6.2, 7.20, 10.15, 13.4
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/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 and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/en-us/HT211289
vendor-advisory
-
support.apple.com
/en-us/HT211288
vendor-advisory
-
support.apple.com
/en-us/HT211290
vendor-advisory
-
support.apple.com
/en-us/HT211291
vendor-advisory
-
support.apple.com
/en-us/HT211295
vendor-advisory
Sources
- CVE List CVE-2020-9926
- NVD CVE-2020-9926
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.