Buffer overflow in Apple iOS And Ipados
CVE-2021-30736
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.
Vulnerability class: Buffer Overflow
EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apple Ios And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions unspecified
- Apple Tvos
- Apple Watchos
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30736?
- CVE-2021-30736 is a high-severity vulnerability in Apple iOS And Ipados, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-09-08.
- How severe is CVE-2021-30736?
- High severity. CVSS v3 base score is 7.8 out of 10.