CVE-2021-30814 json
A memory corruption issue was addressed with improved input validation.
published 2021-10-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17731
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
A memory corruption issue was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted image may lead to arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 15
- Apple tvOS 15
- Apple watchOS 8
Exploit prediction
1.12% chance of exploitation in the next 30 days, higher than 66% 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
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.apple.com
/en-us/HT212814
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212819
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212815
release-notes, vendor-advisory
-
support.apple.com
/kb/HT212869
vendor-advisory
-
support.apple.com
/kb/HT212953
vendor-advisory
Sources
- CVE List CVE-2021-30814
- NVD CVE-2021-30814
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