Description
In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3593-1/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201805-10
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1932
Patch, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3073
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
Scores
CVSS v3
9.8
EPSS
0.0322
EPSS Percentile
86.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (4)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
zsh/zsh
< 5.4
Published
Feb 27, 2018
Tracked Since
Feb 18, 2026