Description
In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters.
References (2)
Core 2
Core References
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3593-1/
Patch, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/zsh/code/ci/a62e1640bcafbb82d86ea8d8ce057a83c4683d60
Scores
CVSS v3
9.8
EPSS
0.0217
EPSS Percentile
80.3%
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-189
Status
published
Products (4)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
zsh/zsh
< 5.3
Published
Feb 27, 2018
Tracked Since
Feb 18, 2026