VDB
CVE-2020-27801
CVE-2020-27801
PUBLISHED
CVSS 7.800000190734863 HIGH
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.
EPSS 0.38% · 30.8th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.38%
30.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | upx-ucl | 0, 3.91-1 |
| Ubuntu:22.04:LTS | upx-ucl | 3.96-3, 3.96-2, 0 |
| Ubuntu:25.10 | upx-ucl | 0, 4.2.4-1, 4.2.4-1.1 |
| Ubuntu:20.04:LTS | upx-ucl | 0, 3.95-2, 3.95-2build1 |
| Ubuntu:18.04:LTS | upx-ucl | 3.94-4, 3.94-3, 0 |
| Ubuntu:24.04:LTS | upx-ucl | 4.2.2-3, 0, 3.96-3 |
Timeline
- Aug 25, 2022 CVE Published
- Aug 26, 2022 EPSS Score
- Oct 11, 2022 EPSS Score
- Nov 27, 2022 EPSS Score
- Jan 12, 2023 EPSS Score
- Feb 28, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 15, 2023 EPSS Score
- Jun 1, 2023 EPSS Score
- Jul 17, 2023 EPSS Score
- Sep 2, 2023 EPSS Score
- Oct 18, 2023 EPSS Score