VulnerabilityModified
CVE-2020-9866
A buffer overflow was addressed with improved bounds checking.
CRITICAL 9.8EPSS 1.95%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A buffer overflow may result in arbitrary code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.95% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- apple/mac os x
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT211289Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT211289Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.