CVSS v3
7.1
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
Technical details
- Published
- 2021-05-14
Frequently asked questions
What is CVE-2020-24119?
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
Is CVE-2020-24119 actively exploited?
Active exploitation of CVE-2020-24119 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-24119?
CVE-2020-24119 has a CVSS v3 base score of 7.1 (HIGH severity).
Is CVE-2020-24119 affecting your environment?
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