Out-of-bounds Read in Apple iOS And Ipados
CVE-2021-30836
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS
- Apple Safari
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/en-us/HT212807 (Release Notes, Vendor Advisory)
- support.apple.com/kb/HT212816 (Vendor Advisory)
- 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)
- www.openwall.com/lists/oss-security/2021/12/20/6 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-30836?
- CVE-2021-30836 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-10-28.
- How severe is CVE-2021-30836?
- Medium severity. CVSS v3 base score is 5.5 out of 10.