The X11 Project libX11

2 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2020-143631.6.12An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an appHIGH 7.80.6 %
CVE-2020-143441.6.10An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version MEDIUM 6.70.5 %