CVE-2021-20285
MEDIUM6.6EPSS 0.12%Published: 3/26/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-20285
Description
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.
Affected packages (1)
- Debian/upx-uclfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H |