VDB
CVE-2021-20285
CVE-2021-20285
PUBLISHED
CVSS 6.599999904632568 MEDIUM
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
EPSS 0.75% · 52.4th percentile
Risk Scores
CVSS 3.1
6.599999904632568
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
EPSS Score
0.75%
52.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | upx-ucl | 4.2.2-3, 0, 3.96-3 |
| Ubuntu:18.04:LTS | upx-ucl | 3.94-3, 3.94-4, 0 |
| Ubuntu:25.10 | upx-ucl | 0, 4.2.4-1, 4.2.4-1.1 |
| Ubuntu:22.04:LTS | upx-ucl | 3.96-2, 0, 3.96-3 |
| Ubuntu:16.04:LTS | upx-ucl | 0, 3.91-1 |
| Ubuntu:20.04:LTS | upx-ucl | 0, 3.95-2, 3.95-2build1 |
Timeline
- Mar 26, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20285 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20285 third-party-advisory