CVE-2023-23456

medium

Description

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

References

Advisories
More

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

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

https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4

https://bugzilla.redhat.com/show_bug.cgi?id=2160381

https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html

https://github.com/upx/upx/issues/632

Details

Source: Mitre, NVD

Published: 2023-01-12

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H