CVE-2021-30963
MEDIUMCVSS 5.5/10EPSS 0.84%
Last modified
CVE-2021-30963 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.84% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apple | Mac Os X | >= 10.15, <= 10.15.7 | — |
| Apple | Mac Os X | 10.15.7 | Security Update 2020-001 |
| Apple | Macos | >= 11.0, < 11.6.2 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30963?
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.
How severe is CVE-2021-30963?
CVE-2021-30963 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30963?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-30963?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST