CVE-2019-19308 Null dereference in n/a
A NULL pointer dereference in GNOME Font Viewer allows attackers to cause a denial of service by providing a malformed TTF font file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-19308?
CVE-2019-19308 is a medium-severity vulnerability in n/a, published on 27 Nov 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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).
Weakness: CWE-476
Which versions are affected by CVE-2019-19308?
It affects 1 product.
Products include Gnome Gnome-Font-Viewer.
How do I fix CVE-2019-19308?
Apply the vendor's patch.
Is CVE-2019-19308 being exploited?
There is no known exploitation of CVE-2019-19308 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2019-19308, GHSA-xr69-7fhc-h6vj, OESA-2022-2074, UBUNTU-CVE-2019-19308.