CVE-2023-23456 | BDVDB-2026-193000 Detail
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: local.
Weaknesses#
- CWE-787 Out-of-bounds Write
References#
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
- https://github.com/upx/upx/issues/632
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
- https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.