Buffer Overflow Vulnerability in XListExtensions in libX11

CVE-2018-14598 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

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