libxtst6: X.org libXtst before 1.2.3 allows remote X servers to cause a denial ofservice (infinite loop) via a reply in the (1)...
CVE-2016-7952 is fixed in libxtst6 on 1 platform, first by libxtst6 2:1.2.3-1, released December 13, 2016. It is not reported as exploited. Patch Radar priority: Routine.
X.org libXtst before 1.2.3 allows remote X servers to cause a denial ofservice (infinite loop) via a reply in the (1) XRecordStartOfData, (2)XRecordEndOfData, or (3) XRecordClientDied category without a clientsequence and with attached data.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxtst6 · Ubuntu 18.04.6 LTS (bionic) | 2:1.2.3-1 | libxtst6 2:1.2.3-1 | Dec 13, 2016 |
| libxtst6 · Ubuntu 20.04 LTS (focal) | 2:1.2.3-1 | libxtst6 2:1.2.3-1 | Dec 13, 2016 |
| libxtst6 · Ubuntu 24.10 (oracular) | 2:1.2.3-1 | libxtst6 2:1.2.3-1 | Jan 16, 2026 |
| libxtst6 · Ubuntu 25.04 (plucky) | 2:1.2.3-1 | libxtst6 2:1.2.3-1 | Jan 16, 2026 |
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