CVEvulnerability
CVE-2018-15857
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-08-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.
Affected configurations
• xkbcommon libxkbcommon (< 0.8.1)
• xkbcommon xkbcommon (< 0.8.1)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb Patch, Third Party Advisory
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201810-05 Third Party Advisory
- https://usn.ubuntu.com/3786-1/ Third Party Advisory
- https://usn.ubuntu.com/3786-2/ Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb Patch, Third Party Advisory
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201810-05 Third Party Advisory
- https://usn.ubuntu.com/3786-1/ Third Party Advisory
- https://usn.ubuntu.com/3786-2/ Third Party Advisory