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A local attacker could exploit this to execute arbitrary code in the context of another user.","status":"published","published":"2018-04-11T19:29:01.027Z","modified":"2026-10-23T18:03:18.497845765Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"RHSA-2018:1932","title":"Red Hat Security Advisory: zsh security update","status":"published","published":"2024-09-16T01:16:15Z","modified":"2026-06-27T10:05:45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:04.822845Z"},{"id":"RHSA-2018:3073","title":"Red Hat Security Advisory: zsh security and bug fix update","status":"published","published":"2024-09-16T01:16:06Z","modified":"2026-06-28T10:26:59Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"UBUNTU-CVE-2018-1100","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.","status":"published","published":"2018-04-11T00:00:00Z","modified":"2026-04-22T11:41:17.450111Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"DLA-2470-1","title":"zsh - security update","status":"published","published":"2020-11-30T00:00:00Z","modified":"2026-03-09T01:20:23.585073Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"openSUSE-SU-2024:11543-1","title":"zsh-5.8-7.7 on GA media","description":"These are all security issues fixed in the zsh-5.8-7.7 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:46:50.299155Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2018:1037-1","title":"Security update for zsh","description":"This update for zsh fixes the following issues:\n\n- CVE-2018-1100: Fixed a buffer overflow in\n  utils.c:checkmailpath() that could lead to local arbitrary code\n  execution ( bsc#1089030)\n","status":"published","published":"2018-04-20T13:22:10Z","modified":"2026-02-04T04:34:56.116606Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:1874-1","title":"Security update for zsh","description":"This update for zsh to version 5.5 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-1100: Fixes a buffer overflow in utils.c:checkmailpath() that can lead to\n  local arbitrary code execution (bsc#1089030)\n- CVE-2018-1071: Fixed a stack-based buffer overflow\n  in exec.c:hashcmd() (bsc#1084656)\n- CVE-2018-1083: Fixed a stack-based buffer overflow\n  in gen_matches_files() at compctl.c (bsc#1087026)\n\nNon-security issues fixed:\n\n- The effect of the NO_INTERACTIVE_COMMENTS option extends into $(...)\n  and `...` command substitutions when used on the command line.\n- The 'exec' and 'command' precommand modifiers, and options to\n  them, are now parsed after parameter expansion.\n- Functions executed by ZLE widgets no longer have their standard\n  input closed, but redirected from /dev/null instead.\n- There is an option WARN_NESTED_VAR, a companion to the existing\n  WARN_CREATE_GLOBAL that causes a warning if a function updates a\n  variable from an enclosing scope without using typeset -g.\n- zmodload now has an option -s to be silent on a failure to find\n  a module but still print other errors.\n","status":"published","published":"2018-07-03T16:09:43Z","modified":"2026-02-04T03:33:38.316857Z","updated_at":"2026-11-02T15:53:44.972817Z"},{"id":"SUSE-SU-2022:0733-1","title":"Security update for zsh","description":"This update for zsh fixes the following issues:\n\n- CVE-2021-45444: Fixed a vulnerability where arbitrary shell commands could be \n  executed related to prompt expansion (bsc#1196435).\n- CVE-2019-20044: Fixed a vulnerability where shell privileges would not be\n  properly dropped when unsetting the PRIVILEGED option (bsc#1163882).\n- CVE-2018-1100: Fixed a potential code execution via a stack-based buffer\n  overflow in utils.c:checkmailpath() (bsc#1089030).\n","status":"published","published":"2022-03-04T13:48:03Z","modified":"2026-02-04T03:43:56.312149Z","updated_at":"2026-11-02T15:53:50.066806Z"},{"id":"USN-3764-1","title":"zsh vulnerabilities","description":"It was discovered that Zsh incorrectly handled certain scripts.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2018-0502, CVE-2018-13259)\n\nRichard Maciel Costa discovered that Zsh incorrectly handled certain scripts.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2018-1100)\n","status":"published","published":"2018-09-11T18:00:56Z","modified":"2026-04-22T09:49:33.657188Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}