Summary
X.Org X11 libXtst runtime library
Security Fix(es):
* libXtst: libXtst: Denial of Service via out-of-bounds read in RECORD reply parser (CVE-2026-94286)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | libXtst | 1.2.3-8.el8_10 |
| AlmaLinux · 8 | libXtst-devel | 1.2.3-8.el8_10 |
Vulnerabilities 1
-
High 7.1
Out-of-bounds read in libXtst's RECORD reply parser
An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.