CVE-2020-37011
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductFonts Viewer
PublishedJan 29, 2026
First seenJan 29, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GNOME Fonts Viewer | 3.34.0 | — |
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