Debian DLA-1482-1 : libx11 security update

Several issues were discovered in libx11, the client interface to the X Windows System. The functions XGetFontPath, XListExtensions, and XListFonts are vulnerable to an off-by-one override on malicious server responses. A malicious server could also send a reply in which the first string overflow...

Out-Of-Bounds Write

libX11.so is vulnerable to an out-of-bounds write. The server response consisting of a length byte followed by the actual string is not NULL-terminated, which could lead to an off-by-one override in the functions XGetFontPath, XListExtensions and XListFonts, and result in an out-of-bounds write...