In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade zsh-htmlUpgrade zshUpgrade zsh-debuginfo | Apr 27, 2020 | Feb 27, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Feb 27, 2018 |
| Debian | — | Upgrade zsh | Jul 30, 2024 | Feb 27, 2018 |
| Gentoo Linux | — | Upgrade app-shells/zsh. | May 29, 2018 | Feb 27, 2018 |
| Oracle Solaris | — | Upgrade shell/zsh to version 5.6.2-11.4.4.0.1.3.0 on Solaris 11.4 | Dec 17, 2018 | Feb 27, 2018 |
| Ubuntu | — | Upgrade zsh | Apr 25, 2018 | Feb 27, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Feb 27, 2018 |
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