A flaw was found in zsh. There is a buffer overflow when scanning very long directory paths for symbolic links. References: https://sourceforge.net/p/zsh/code/ci/3e06aeabd8a9e8384ebaa8b08996cd1f64737210
Created zsh tracking bugs for this issue: Affects: fedora-all [bug 1549838]
This appears to be another instance of a bug which was fixed in zsh long ago. All existing Fedora releases have zsh versions newer than that, and I've verified manually that they have the fixed code. I'm afraid I don't understand what's happening here. Are these tickets an assertion that something in Fedora's zsh is still vulnerable? Or are the package maintainers just supposed to check?
In reply to comment 3: > This appears to be another instance of a bug which was fixed in zsh long > ago. All existing Fedora releases have zsh versions newer than that, and > I've verified manually that they have the fixed code. > > I'm afraid I don't understand what's happening here. Are these tickets an > assertion that something in Fedora's zsh is still vulnerable? Or are the > package maintainers just supposed to check? This is to properly track security vulnerabilities which were fixed as if they were normal bugs. May not affect the latest version of zsh (or the Fedora one), but may affect other distros which use older versions.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2018:1932 https://access.redhat.com/errata/RHSA-2018:1932
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2018:3073 https://access.redhat.com/errata/RHSA-2018:3073