CVE-2023-23457
Fixed in a distro release EPSS <1%CVSS 5.3
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.
Products: upx, fedoraproject fedora
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | upx | 0 |
| Chainguard | upx-doc | 0 |
| Debian 13 | upx-ucl | 4.2.2-1 |
| Debian 14 | upx-ucl | 4.2.2-1 |
| SUSE Package Hub 15 SP4 | upx | 4.0.2-bp154.4.6.1 |
| SUSE Package Hub 15 SP4 | upx | 4.0.1-bp154.4.3.1 |
| Ubuntu 16.04 LTS | upx-ucl | no fix |
| Ubuntu 18.04 LTS | upx-ucl | no fix |
| Ubuntu 20.04 LTS | upx-ucl | no fix |
| Ubuntu 22.04 LTS | upx-ucl | no fix |
| Ubuntu 24.04 LTS | upx-ucl | no fix |
| Ubuntu 25.10 | upx-ucl | no fix |
| Ubuntu 26.04 LTS | upx-ucl | no fix |
| Ubuntu 26.10 | upx-ucl | no fix |
| Wolfi | upx | 0 |
| Wolfi | upx-doc | 0 |
| openSUSE Leap 15.4 | upx | 4.0.2-bp154.4.6.1 |
| openSUSE Leap 15.4 | upx | 4.0.1-bp154.4.3.1 |
| openSUSE Tumbleweed | upx | 4.0.1-2.1 |