| Name | CVE-2023-23457 |
| Description | A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1031874 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| upx-ucl (PTS) | jessie | 3.91-1 | vulnerable |
| stretch | 3.91-4 | vulnerable |
| buster | 3.95-1 | vulnerable |
| bullseye | 3.96-2 | vulnerable |
| sid, trixie | 4.2.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| upx-ucl | source | (unstable) | 4.2.2-1 | unimportant | | 1031874 |
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=2160382
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860 (v4.0.2)
https://github.com/upx/upx/issues/631