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HIGH

CVE-2020-24119

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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