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CVE-2019-13117

Published: 1 July 2019

In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.

Priority

Low

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
libxslt
Launchpad, Ubuntu, Debian
eoan Not vulnerable

bionic
Released (1.1.29-5ubuntu0.2)
cosmic Ignored
(end of life)
disco
Released (1.1.32-2ubuntu0.2)
trusty
Released (1.1.28-2ubuntu0.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (1.1.28-2.1ubuntu0.3)
Patches:
upstream: https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N