Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-1858
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 1.1% (higher than 67% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 33.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212317 x_refsource_MISC
- https://support.apple.com/en-us/HT212323 x_refsource_MISC
- https://support.apple.com/en-us/HT212324 x_refsource_MISC
- https://support.apple.com/en-us/HT212325 x_refsource_MISC
- https://support.apple.com/en-us/HT212326 x_refsource_MISC