CVE-2020-29624 json
A memory corruption issue existed in the processing of font files.
published 2021-04-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21985
- 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 memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 14.3
- Apple tvOS 14.3
- Apple watchOS 7.2
- Apple macOS 11.1
Exploit prediction
1.04% 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 tvOS
- Apple watchOS
- Apple macOS
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.apple.com
/en-us/HT212011
vendor-advisory
-
support.apple.com
/en-us/HT212003
vendor-advisory
-
support.apple.com
/en-us/HT212005
vendor-advisory
-
support.apple.com
/en-us/HT212009
vendor-advisory
Sources
- CVE List CVE-2020-29624
- NVD CVE-2020-29624
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.