CVE-2017-18206
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2017-18206
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18206.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-18206
- Downstream
- Related
- Published
- 2018-02-27T22:29:00.543Z
- Modified
- 2025-11-20T10:39:41.258999Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.
- References
-
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:1932
- https://access.redhat.com/errata/RHSA-2018:3073
- https://security.gentoo.org/glsa/201805-10
- https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d
- https://usn.ubuntu.com/3593-1/
Affected packages
Git / github.com/zsh-users/zsh
Affected ranges
- Type
- GIT
- Repo
- https://github.com/zsh-users/zsh
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
5.*
5.1.1-test-2
5.3.1-test-2
Other
post-opt-arg
pre-func-move
pre-opt-arg
zsg-4.*
zsg-4.1.1-test-2
zsh-3.*
zsh-3.1.6-dev-21
zsh-3.1.6-dev-22
zsh-3.1.7
zsh-3.1.7-pre-2
zsh-3.1.7-pre-3
zsh-3.1.7-pre-4
zsh-3.1.7-prep-1
zsh-3.1.8
zsh-3.1.9
zsh-3.1.9-dev-1
zsh-3.1.9-dev-2
zsh-3.1.9-dev-3
zsh-3.1.9-dev-4
zsh-3.1.9-dev-5
zsh-3.1.9-dev-6
zsh-3.1.9-dev-7
zsh-3.1.9-dev-8
zsh-4.*
zsh-4.0.1
zsh-4.0.1-pre-1
zsh-4.0.1-pre-3
zsh-4.0.1-pre-4
zsh-4.0.1-pre-5
zsh-4.0.2-pre-2
zsh-4.1.0-dev-1
zsh-4.1.0-dev-2
zsh-4.1.0-dev-3
zsh-4.1.0-dev-4
zsh-4.1.0-dev-5
zsh-4.1.0-dev-7
zsh-4.1.1
zsh-4.1.1-test-1
zsh-4.1.1-test-3
zsh-4.2.0
zsh-4.2.0-pre-1
zsh-4.2.0-pre-2
zsh-4.2.0-pre-3
zsh-4.2.0-pre-4
zsh-4.2.1
zsh-4.2.1-test-A
zsh-4.2.2
zsh-4.2.3
zsh-4.3.0-dev-3
zsh-4.3.0-dev-4
zsh-4.3.0-dev-5
zsh-4.3.1
zsh-4.3.10
zsh-4.3.10-dev-2
zsh-4.3.10-test-3
zsh-4.3.11
zsh-4.3.11-dev-4
zsh-4.3.12
zsh-4.3.12-test-3
zsh-4.3.13
zsh-4.3.14
zsh-4.3.15
zsh-4.3.16
zsh-4.3.17
zsh-4.3.17-test-2
zsh-4.3.2
zsh-4.3.3
zsh-4.3.4
zsh-4.3.4-dev-2
zsh-4.3.4-dev-4
zsh-4.3.4-dev-5
zsh-4.3.4-dev-6
zsh-4.3.4-dev-7
zsh-4.3.4-dev-8
zsh-4.3.5
zsh-4.3.5-dev-1
zsh-4.3.5-dev-2
zsh-4.3.5-dev-3
zsh-4.3.5-dev-4
zsh-4.3.6
zsh-4.3.6-dev-1
zsh-4.3.6-dev-2
zsh-4.3.7
zsh-4.3.8
zsh-4.3.9
zsh-4.3.9-dev-3
zsh-4.3.9-dev-5
zsh-5.*
zsh-5.0.0
zsh-5.0.0-test-1
zsh-5.0.1
zsh-5.0.2
zsh-5.0.2-test-1
zsh-5.0.2-test-2
zsh-5.0.2-test-3
zsh-5.0.3
zsh-5.0.3-test-1
zsh-5.0.3-test-2
zsh-5.0.4
zsh-5.0.5
zsh-5.0.5-dev-1
zsh-5.0.5-dev-2
zsh-5.0.5-dev-3
zsh-5.0.6
zsh-5.0.6-dev-1
zsh-5.0.7
zsh-5.0.7-dev-2
zsh-5.0.7-dev-4
zsh-5.0.8
zsh-5.0.8-test-2
zsh-5.0.8-test-3
zsh-5.1
zsh-5.1-test-1
zsh-5.1.1
zsh-5.1.1-test-1
zsh-5.1.1-test-2
zsh-5.1.1-test-3
zsh-5.2
zsh-5.2-test-1
zsh-5.2-test-2
zsh-5.2-test-3
zsh-5.3
zsh-5.3.1