Skip to contentThe X11 Project vulnerabilities
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- the x11 project libx11Out-of-bounds read in libX11's byte-oriented codeset parserCVE-2026-94285Fix available5.1 Medium
- the x11 project libx11Out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parserCVE-2026-94284Fix available5.5 Medium
- the x11 project libx11Out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parserCVE-2026-94283Fix available6.5 Medium
- the x11 project libx11libX11 XkbGetMap Reply Heap-based Buffer OverflowCVE-2026-88806Fix available7.5 High
- the x11 project libx11, redhat enterprise linux +1 moreA vulnerability was found in libX11. The security flaw occurs because the functions in src...CVE-2023-3138Fix available7.5 High
- the x11 project libx11, fedoraproject fedora +1 moreAn integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows...CVE-2020-14363Fix available7.8 High
- the x11 project libx11, canonical ubuntu linux, fedoraproject fedora +1 more +3 moreAn integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM)...CVE-2020-14344Fix available6.7 Medium