Vulnerability · Published May 14, 2021 · Assigned by mitre
CVE-2020-24119
High 7.1
In plain English
A high-severity security flaw in the upx package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)1.1%top 34.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | upx | 4.0.0-r0 | ALPINE-CVE-2020-24119 |
| Alpine:v3.21 | upx | 4.0.0-r0 | ALPINE-CVE-2020-24119 |
| Alpine:v3.22 | upx | 4.0.0-r0 | ALPINE-CVE-2020-24119 |
| Alpine:v3.23 | upx | 4.0.0-r0 | ALPINE-CVE-2020-24119 |
| Alpine:v3.24 | upx | 4.0.0-r0 | ALPINE-CVE-2020-24119 |
| Debian:13 | upx-ucl | 4.2.2-1 | DEBIAN-CVE-2020-24119 |
| Debian:14 | upx-ucl | 4.2.2-1 | DEBIAN-CVE-2020-24119 |
| Ubuntu:22.04:LTS | upx-ucl | no fix listed | UBUNTU-CVE-2020-24119 |
| Ubuntu:24.04:LTS | upx-ucl | no fix listed | UBUNTU-CVE-2020-24119 |
| Ubuntu:25.10 | upx-ucl | no fix listed | UBUNTU-CVE-2020-24119 |
| Ubuntu:26.04:LTS | upx-ucl | no fix listed | UBUNTU-CVE-2020-24119 |
| Ubuntu:26.10 | upx-ucl | no fix listed | UBUNTU-CVE-2020-24119 |
Affected products (as reported)
References
- https://github.com/upx/upx/issues/388 x_refsource_CONFIRM
- FEDORA-2021-737766a313 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ceb9db8de0 vendor-advisory, x_refsource_FEDORA
- https://cwe.mitre.org/data/definitions/126.html x_refsource_MISC