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CVE-2018-1083

2026-10-08T19:54:27.328768+00:00

Affected: zsh

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

USN-3608-1 — zsh vulnerabilities

2026-10-08T19:54:27.328824+00:00

Affected: Ubuntu:14.04:LTS: zsh, Ubuntu:16.04:LTS: zsh

Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. (CVE-2018-1071)

It was discovered that Zsh incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. (CVE-2018-1083)