CVE-2018-1071
zsh - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
How to fix CVE-2018-1071
To remediate CVE-2018-1071, upgrade the affected package to a fixed version below.
- Alpine/zsh—upgrade to 5.4.2-r1 or later
- Debian/zsh—upgrade to 5.4.2-4 or later
- —upgrade to 4.3.17-1+deb7u2 or later
Is CVE-2018-1071 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 5.4.2-r1
- from 0, < 5.4.2-4
- from 0, < 4.3.17-1+deb7u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |