Medium severity5.5NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30959

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Security Update 2021-008 Catalinallm-fuzzy
Range: <=Security Update 2021-008
Apple Inc./macOSllm-fuzzy2 versions
<=11.6.2+ 1 more
- (no CPE)range: <=11.6.2
- (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212979nvd
support.apple.com/en-us/HT212981nvd

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000