vulnerability
Oracle Linux: CVE-2017-18205: ELSA-2018-3073: zsh security and bug fix update (MODERATE)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jun 13, 2017 | Nov 6, 2018 | Dec 3, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jun 13, 2017
Added
Nov 6, 2018
Modified
Dec 3, 2025
Description
In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
A NULL pointer dereference flaw was found in the code responsible for the cd builtin command of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell.
A NULL pointer dereference flaw was found in the code responsible for the cd builtin command of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell.
Solutions
oracle-linux-upgrade-zshoracle-linux-upgrade-zsh-html
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