Medium severity6.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30755
CVE-2021-30755
Description
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5. An out-of-bounds read was addressed with improved input validation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Range: <11.4
- Range: <14.6
- Range: <7.5
- Range: unspecified
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/HT212529nvdVendor Advisory
- support.apple.com/en-us/HT212532nvdVendor Advisory
- support.apple.com/en-us/HT212533nvdVendor Advisory
News mentions
0No linked articles in our index yet.