What’s Vulnerable › Vulnerabilities
CVE-2020-24119
- Severity: high (CVSS 7.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-05-14 · updated 2026-06-17
- Weakness: CWE-125
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 products
- Fedoraproject Fedora: 33, 34
- upx: 4.0.0
References
- https://cwe.mitre.org/data/definitions/126.html
- https://github.com/upx/upx/issues/388
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE54WKVU7MATB4WZD3MJFBAHFRJ3NTQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/
- https://cwe.mitre.org/data/definitions/126.html
- https://github.com/upx/upx/issues/388
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE54WKVU7MATB4WZD3MJFBAHFRJ3NTQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/
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