CVE-2023-23456
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-23456
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-23456.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-23456
- Downstream
- Related
- Published
- 2023-01-12T19:15:24Z
- Modified
- 2025-07-29T10:50:35.433278Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- 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
- https://security-tracker.debian.org/tracker/CVE-2023-23456
Affected packages
Debian:11 / upx-ucl
Package
- Name
- upx-ucl
- Purl
- pkg:deb/debian/upx-ucl?arch=source
Debian:13 / upx-ucl
Package
- Name
- upx-ucl
- Purl
- pkg:deb/debian/upx-ucl?arch=source