The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade RHEL:10 libX11-common to version 0:1.8.13-3.1.hum1 or higher.
This issue was patched in RHSA-2026:79278.
Note: Versions mentioned in the description apply only to the upstream libX11-common package and not the libX11-common package as distributed by RHEL.
See How to fix? for RHEL:10 relevant fixed versions and status.
An out-of-bounds read in libX11's byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.