X.Org Libx11 vulnerabilities
23 known vulnerabilities affecting x.org/libx11.
Total CVEs
23
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
CRITICAL6HIGH7MEDIUM9LOW1
Vulnerabilities
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CVE-2026-94284P4MEDIUMCVSS 5.5fixed in 1.8.142026-09-28
CVE-2026-94284 [MEDIUM] CWE-125 CVE-2026-94284: An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before
An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.
nvd
CVE-2026-94285P4MEDIUMCVSS 5.1fixed in 1.8.142026-09-28
CVE-2026-94285 [MEDIUM] CWE-125 CVE-2026-94285: An out-of-bounds read in libX11's byte-oriented codeset parser in libX11 before 1.8.14 could be used
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.
nvd
CVE-2006-5397P4LOWCVSS 2.1v1.0.2v1.0.32006-11-03
CVE-2006-5397 [LOW] CVE-2006-5397: The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for readi
The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local users to read files specified by the XCOMPOSEFILE environment variable via the duplicate file descriptor.
nvdosv
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