CVE-2020-37011
Gnome Fonts Viewer 3.34.0 Heap Corruption
- State
- Published
- Severity
- 8.4 High
- Published
- Jan 29, 2026
- Updated
- May 26, 2026
- Reserved
- Jan 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.4 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
Fonts ViewerGNOME |
|
References
- ExploitDB-48803exploit
- Gnome Official Websiteproduct
- Gnome Font Viewer App Webpageproduct
- VulnCheck Advisory: Gnome Fonts Viewer 3.34.0 Heap Corruptionthird-party-advisory
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