CVE-2020-37011 HIGH

CVE-2020-37011: Gnome Fonts Viewer 3.34.0 Heap Corruption

Vendor Gnome
Product Fonts Viewer
Weakness CWE-787
Published January 29, 2026
Last update May 26, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 exhaust memory through repeated malloc() calls and potentially crash the gnome-font-viewer process.

Key dates

02Disclosure timeline

January 29, 2026 CVE published
May 26, 2026 Record updated