CVE-2020-37011

Gnome Fonts Viewer 3.34.0 contains a heap corruption vulnerability that allows attackers to trigger an out-of-bounds write by crafting a malicious TTF font file. Attackers can generate a specially crafted TTF file with an oversized pattern to cause an infinite malloc() loop and potentially crash the gnome-font-viewer process.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://apps.gnome.org/FontViewer/
https://help.gnome.org/
https://www.exploit-db.com/exploits/48803
https://www.vulncheck.com/advisories/gnome-fonts-viewer-heap-corruption
https://www.exploit-db.com/exploits/48803

Configurations

No configuration.

History

29 Jan 2026, 17:16

Type	Values Removed	Values Added
References	~~() https://www.exploit-db.com/exploits/48803 -~~	() https://www.exploit-db.com/exploits/48803 -

29 Jan 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-29 15:16

Updated : 2026-01-29 17:16

NVD link : CVE-2020-37011

Mitre link : CVE-2020-37011

CVE.ORG link : CVE-2020-37011

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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