CVE-2020-27801
7.8
HIGH
CVSS 3.1
EPSS 0.06%
Description
A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
How to fix CVE-2020-27801
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/upx-ucl—no fix listed
Is CVE-2020-27801 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |