CVEvulnerability
CVE-2018-15855
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-476
Description
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
Affected configurations
• xkbcommon project xkbcommon (< 0.8.1)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://github.com/xkbcommon/libxkbcommon/commit/917636b1d0d70205a13f89062b95e3a0fc31d4ff Patch, Third Party Advisory
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html 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/917636b1d0d70205a13f89062b95e3a0fc31d4ff Patch, Third Party Advisory
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html 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