Uninitialized Read Vulnerability in libxslt by GNOME

CVE-2019-13117

What is CVE-2019-13117?

A vulnerability exists in libxslt version 1.1.33 which arises from improper handling of the xsl:number function when certain format strings are utilized. Specifically, this flaw can lead to an uninitialized read in the function xsltNumberFormatInsertNumbers. As a result, an attacker may exploit this vulnerability to determine if specific bytes on the stack contain particular characters, potentially exposing sensitive information. Users of affected versions should consider applying security updates and reviewing their systems for potential exploitation.

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