Vulnerability · Published Apr 2, 2021 · Assigned by apple
CVE-2021-1767
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 0.9% (higher than 58% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.9%top 41.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to heap corruption.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 14.4 |
| Apple | macOS | unspecified – before 11.2 |
References
- https://support.apple.com/en-us/HT212147 x_refsource_MISC
- https://support.apple.com/en-us/HT212146 x_refsource_MISC