CVE-2023-23457

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability30. percentile0.4%

Product

Upx

PublishedJan 12, 2023

First seenJan 12, 2023

Weakness typeCWE-119Memory buffer bounds error

How to fix

Update

upx upx2022-11-23 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/

Affected products

Product	Affected versions	Fixed in
upx upx	v < 2022-11-23	2022-11-23
fedoraproject fedora	36, 37	—

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