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CVE-2019-19308

In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer...

5.5 MediumFix available

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).

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.91%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

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).

Record
CVE-2019-19308
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

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).

Record
CVE-2019-19308
Updated
2026-11-02
EUVDEUVD-2019-8932 No score

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).

Record
EUVD-2019-8932
Updated
2026-11-03
GitHub AdvisoriesGHSA-xr69-7fhc-h6vj No score

In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer...

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).

Record
GHSA-xr69-7fhc-h6vj
Updated
2026-11-02
OSV 5.5

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).

Record
CVE-2019-19308
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-19308 5.5

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).

Record
DEBIAN-CVE-2019-19308
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2022-2074 5.5

gnome-font-viewer security update

The Font Viewer application has been rewritten to match the new design used for GNOME 3 applications.It can now show an overview of all installed fonts and optimizes screen space usage when the application is maximized.

Security Fix(es):

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).(CVE-2019-19308)

Record
OESA-2022-2074
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-19308 5.5

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).

Record
UBUNTU-CVE-2019-19308
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gnome-font-viewer
Debian:12
 before 3.34.0-2
3.34.0-2
gnome-font-viewer
Debian:13
 before 3.34.0-2
3.34.0-2
gnome-font-viewer
Debian:14
 before 3.34.0-2
3.34.0-2
gnome-sushi
Debian:12
 before 3.38.0-1
3.38.0-1
gnome-sushi
Debian:13
 before 3.38.0-1
3.38.0-1
gnome-sushi
Debian:14
 before 3.38.0-1
3.38.0-1
gnome-font-viewer
openEuler:22.03-LTS
 before 3.34.0-2.oe2203
3.34.0-2.oe2203
gnome-font-viewer
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.16.2-13.16.2-1build13.16.2-1ubuntu1
 None known
gnome-sushi
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.16.0-1build13.18.0-13.18.0-2
 None known
gnome-font-viewer
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.26.0-13.26.0-23.26.0-33.27.90-13.27.90-23.28.0-1
 None known
Show 8 moreShow less
Affected packages
PackageAffectedFixed
gnome-sushi
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.24.0-1build13.24.0-23.24.0-3
 None known
gnome-font-viewer
Ubuntu:20.04:LTS
 before 3.34.0-2, plus listed versions
3.34.0-1
3.34.0-2
gnome-sushi
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.34.0-13.34.0-2
 None known
gnome-sushi
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.38.1-141.0-241.0-341.1-142.0-0ubuntu1
 None known
gnome-sushi
Ubuntu:24.04:LTS
 All versions, plus listed versions
45.0-145.0-1build145.0-1build246.0-1
 None known
gnome-sushi
Ubuntu:25.10
 All versions, plus listed versions
46.0-2
 None known
gnome-sushi
Ubuntu:26.10
 All versions, plus listed versions
46.0-350.0-151~rc-0ubuntu151.0-0ubuntu1
 None known
gnome-sushi
Ubuntu:26.04:LTS
 All versions, plus listed versions
46.0-246.0-2build146.0-350.0-0ubuntu0.1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-19308 is a medium vulnerability (CVSS 5.5) in Gnome Gnome-font-viewer, published November 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. Fixed in gnome-font-viewer 3.34.0-2.

References

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