NULL Pointer Dereference Affecting gnome-font-viewer package, versions <3.34.0-2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.91% (58th percentile)

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  • Snyk IDSNYK-UBUNTU2004-GNOMEFONTVIEWER-578121
  • published27 Nov 2019
  • disclosed27 Nov 2019

Introduced: 27 Nov 2019

CVE-2019-19308  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 gnome-font-viewer to version 3.34.0-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnome-font-viewer package and not the gnome-font-viewer package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer dereference while parsing a TTF font file that lacks a name section (due to a g_strconcat call that returns NULL).

CVSS Base Scores

version 3.1