zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.
[
{
"product": "zsh",
"vendor": "zsh",
"versions": [
{
"status": "affected",
"version": "through 5.4.2"
}
]
}
]
access.redhat.com/errata/RHSA-2018:1932
access.redhat.com/errata/RHSA-2018:3073
bugzilla.redhat.com/show_bug.cgi?id=1563395
lists.debian.org/debian-lts-announce/2020/12/msg00000.html
security.gentoo.org/glsa/201805-10
sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/
usn.ubuntu.com/3764-1/