🛡️ CVE-2023-23457
🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-119 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE CWE-119
Public Exploit ⚠️ Yes
Source NVD
Published 2023-01-12
Updated 2026-06-08
Modified 2025-04-11

Affected Packages

Software From version Fixed in
fedora
upx 2022-11-23

References

Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2160382
Exploit, Patch, Third Party Advisory https://github.com/upx/upx/issues/631
Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2160382
Exploit, Patch, Third Party Advisory https://github.com/upx/upx/issues/631

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