| Release Date: | 2018-08-25 | |
| Impact: | Moderate | What is this? |
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.
See more information about CVE-2018-15857 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
| Platform | Errata | Release Date |
| Oracle Linux version 7 (gdm) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (libX11) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (libxkbcommon) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (mesa-libGLw) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (xorg-x11-drv-ati) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (xorg-x11-drv-vesa) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (xorg-x11-drv-wacom) | ELSA-2019-2079 | 2019-08-13 |
| Oracle Linux version 7 (xorg-x11-server) | ELSA-2019-2079 | 2019-08-13 |
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