xkbcomp: This update for xkbcomp fixes the following issues: - CVE-2018-15863: NULL pointer dereference triggered by a a craf...
CVE-2018-15853 is fixed in 6 products on 1 platform, first by libxkbcommon-x11-0 0.8.0-1ubuntu0.1, released August 24, 2018. It is not reported as exploited. Patch Radar priority: Routine.
This update for xkbcomp fixes the following issues: - CVE-2018-15863: NULL pointer dereference triggered by a a crafted keymap file with a no-op modmask expression can lead to a crash (bsc#1105832). - CVE-2018-15861: NULL pointer dereference triggered by a crafted keymap file that induces an `xkb_intern_atom` failure can lead to a crash (bsc#1105832). - CVE-2018-15859: NULL pointer dereference triggered by a specially a crafted keymap file can lead to a crash (bsc#1105832). - CVE-2018-15853: endless recursion triggered by a crafted keymap file that induces boolean negation can lead to a crash (bsc#1105832).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxkbcommon-x11-0 · Ubuntu 18.04.6 LTS (bionic) | 0.8.0-1ubuntu0.1 | libxkbcommon-x11-0 0.8.0-1ubuntu0.1 | Aug 24, 2018 |
| libxkbcommon0 · Ubuntu 18.04.6 LTS (bionic) | 0.8.0-1ubuntu0.1 | libxkbcommon0 0.8.0-1ubuntu0.1 | Aug 24, 2018 |
| xkbcomp · Fedora 43 | 1.5.0-1.fc43 | FEDORA-2025-3A9B79CA0E | Dec 3, 2025 |
| xkbcomp · opensuse-leap 15.6 | 1.4.1-150000.3.6.1 | SUSE-SU-2025:4426-1 | Dec 17, 2025 |
| xkbcomp · opensuse-leap 16.0 | 1.4.7-160000.3.1 | OPENSUSE-SU-2026:20123-1 | Jan 28, 2026 |
| xkbcomp · sles 15.6 | 1.4.1-150000.3.6.1 | SUSE-SU-2025:4426-1 | Dec 17, 2025 |
| xkbcomp · sles 15.7 | 1.4.1-150000.3.6.1 | SUSE-SU-2025:4426-1 | Dec 17, 2025 |
| xkbcomp · sles 16.0 | 1.4.7-160000.3.1 | SUSE-SU-2026:20186-1 | Jan 28, 2026 |
| xkbcomp-debuginfo · Fedora 43 | 1.5.0-1.fc43 | FEDORA-2025-3A9B79CA0E | Dec 3, 2025 |
| xkbcomp-debugsource · Fedora 43 | 1.5.0-1.fc43 | FEDORA-2025-3A9B79CA0E | Dec 3, 2025 |
| xkbcomp-devel · Fedora 43 | 1.5.0-1.fc43 | FEDORA-2025-3A9B79CA0E | Dec 3, 2025 |
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