VDB
CVE-2021-30500
CVE-2021-30500
PUBLISHED
CVSS 7.800000190734863 HIGH
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
EPSS 1.23% · 68.7th 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
1.23%
68.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | upx-ucl | 0, 3.91-1 |
| Ubuntu:24.04:LTS | upx-ucl | 0, 3.96-3, 4.2.2-3 |
| Ubuntu:18.04:LTS | upx-ucl | 0, 3.94-4, 3.94-3 |
| Ubuntu:22.04:LTS | upx-ucl | 3.96-3, 0, 3.96-2 |
| Ubuntu:25.10 | upx-ucl | 4.2.4-1, 4.2.4-1.1, 0 |
| Ubuntu:20.04:LTS | upx-ucl | 0, 3.95-2, 3.95-2build1 |
Timeline
- May 26, 2021 CVE Published
- May 27, 2021 EPSS Score
- Jul 30, 2021 EPSS Score
- Sep 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 1, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jun 5, 2022 EPSS Score
- Aug 7, 2022 EPSS Score
- Oct 8, 2022 EPSS Score
- Dec 9, 2022 EPSS Score