Medium severity5.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30738
CVE-2021-30738
Description
A malicious application may be able to overwrite arbitrary files. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Mojave. An issue with path validation logic for hardlinks was addressed with improved path sanitization.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <11.4
- Range: unspecified
Patches
Vulnerability mechanics
References
2- support.apple.com/en-us/HT212529nvdVendor Advisory
- support.apple.com/en-us/HT212531nvdVendor Advisory
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