CVE-2019-8721: Input Validation
First published: Fri Sep 20 2019(Updated: )
ld64. Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4.
Credit: product-security@apple.com Pan ZhenPeng Qihoo 360 Nirvan TeamPan ZhenPeng Qihoo 360 Nirvan TeamPan ZhenPeng Qihoo 360 Nirvan TeamPan ZhenPeng Qihoo 360 Nirvan Team
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple Xcode | <11.0 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2019-8721?
CVE-2019-8721 is a vulnerability in ld64 in the Xcode toolchains, which could lead to arbitrary code execution with user privilege.
How does CVE-2019-8721 affect Apple Xcode?
CVE-2019-8721 affects Apple Xcode version up to exclusive 11.0, where compiling code without proper input validation could lead to arbitrary code execution with user privilege.
How severe is CVE-2019-8721?
CVE-2019-8721 is classified as critical with a severity score of 8.8.
How can I fix CVE-2019-8721 in Apple Xcode?
To fix CVE-2019-8721 in Apple Xcode, update to version 11.0 or above.
Where can I find more information about CVE-2019-8721?
For more information about CVE-2019-8721, you can refer to the Apple security advisory at https://support.apple.com/HT210609.
- collector/nvd-index
- collector/apple-support
- alias/CVE-2019-8722
- alias/CVE-2019-8723
- alias/CVE-2019-8724
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/author
- agent/last-modified-date
- agent/severity
- agent/tags
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- vendor/apple
- canonical/apple xcode