VULNERABILITY INTELLIGENCE

CVE-2018-1100

CVSS score7.8 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2018-04-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-787: Out-of-bounds Write

Primary references