Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30919
High 7.8
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.6%top 24.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 15.1 |
| Apple | iOS and iPadOS | unspecified – before 14.8 |
| Apple | macOS | unspecified – before 12.0 |
| Apple | macOS | unspecified – before 2021 |
| Apple | macOS | unspecified – before 11.6 |
| Apple | macOS | unspecified – before 8.1 |
| Apple | macOS | unspecified – before 15.1 |
References
- https://support.apple.com/en-us/HT212869 x_refsource_MISC
- https://support.apple.com/en-us/HT212871 x_refsource_MISC
- https://support.apple.com/en-us/HT212872 x_refsource_MISC
- https://support.apple.com/en-us/HT212867 x_refsource_MISC
- https://support.apple.com/en-us/HT212868 x_refsource_MISC
- https://support.apple.com/en-us/HT212874 x_refsource_MISC
- https://support.apple.com/en-us/HT212876 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-357/ x_refsource_MISC