| Name | CVE-2023-23456 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3991-1 |
| Debian Bugs | 1033258 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| upx-ucl (PTS) | bullseye | 3.96-2 | vulnerable |
| bullseye (security) | 3.96-2+deb11u1 | fixed |
| sid, trixie | 4.2.4-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - upx-ucl <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2160381
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 (v4.0.2)
https://github.com/upx/upx/issues/632