CVE-2020-9955
published 2021-04-02CVE-2020-9955: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big…
PriorityP341high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
1.01%
59.4th percentile
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | >= unspecified < 14.0 | 14.0 |
| apple | ipados | < 14.0 | 14.0 |
| apple | iphone_os | < 14.0 | 14.0 |
| apple | macos | >= 11.0 < 11.0.1 | 11.0.1 |
| apple | macos | >= unspecified < 11.0 | 11.0 |
| apple | tvos | < 14.0 | 14.0 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < 14.0 | 14.0 |
| apple | watchos | < 7.0 | 7.0 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 7.0 | 7.0 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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Apple
CVE-2020-9955: watchOS 7.0
vendor_apple·2020-09-16·CVSS 7.8
CVE-2020-9955 [HIGH] CVE-2020-9955: watchOS 7.0
Apple Security Update: About the security content of watchOS 7.0
Product: watchOS
Version: 7.0
CVE: CVE-2020-9955
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved bounds checking.
Apple
CVE-2020-9955: tvOS 14.0
vendor_apple·2020-09-16·CVSS 7.8
CVE-2020-9955 [HIGH] CVE-2020-9955: tvOS 14.0
Apple Security Update: About the security content of tvOS 14.0
Product: tvOS
Version: 14.0
CVE: CVE-2020-9955
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved bounds checking.
GHSA
GHSA-3v9q-g2fg-6vm7: An out-of-bounds write issue was addressed with improved bounds checking
ghsa_unreviewed·2022-05-24
CVE-2020-9955 [HIGH] CWE-787 GHSA-3v9q-g2fg-6vm7: An out-of-bounds write issue was addressed with improved bounds checking
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://support.apple.com/en-us/HT211843https://support.apple.com/en-us/HT211844https://support.apple.com/en-us/HT211850https://support.apple.com/en-us/HT211931https://support.apple.com/en-us/HT211843https://support.apple.com/en-us/HT211844https://support.apple.com/en-us/HT211850https://support.apple.com/en-us/HT211931
2021-04-02
Published