SB2019101424 - Fedora 31 update for libxslt

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Main Vulnerability Database SB2019101424

SB2019101424 - Fedora 31 update for libxslt

Published: October 14, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019101424
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2019-13117)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to information disclosure in numbers.c in libxslt library where an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. A remote attacker can gain knowledge whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.


2) Information disclosure (CVE-ID: CVE-2019-13118)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to uninitialized stack data exposure in numbers.c in libxslt library when processing an invalid character/length combination in xsltNumberFormatDecimal. A remote attacker can gain pass specially crafted data to the application using the affected library and gain access to sensitive information.


Remediation

Install update from vendor's website.

References