CVEvulnerability
CVE-2023-23456
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-01-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• upx upx (< 2022-11-24)
• fedoraproject fedora 36
• fedoraproject fedora 37
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381 Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 Patch, Third Party Advisory
- https://github.com/upx/upx/issues/632 Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/ lists.fedoraproject.org
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381 Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 Patch, Third Party Advisory
- https://github.com/upx/upx/issues/632 Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/ lists.fedoraproject.org