CVE-2020-24119

HIGH

upx 4.0.0 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.

References (4)

Core 4
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/upx/upx/issues/388
Technical Description x_refsource_misc
https://cwe.mitre.org/data/definitions/126.html

Scores

CVSS v3 7.1
EPSS 0.0040
EPSS Percentile 60.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (3)
fedoraproject/fedora 33
fedoraproject/fedora 34
upx/upx 4.0.0
Published May 14, 2021
Tracked Since Feb 18, 2026