CVEvulnerability
CVE-2018-15853
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-08-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400
Description
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
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-400 Uncontrolled Resource Consumption weakness
References
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a 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/1f9d1248c07cda8aaff762429c0dce146de8632a 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