Gnome Font Viewer App Webpageproduct
https://apps.gnome.org/FontViewer CVE-2020-37011
HIGH
Gnome Fonts Viewer 3.34.0 Heap Corruption
Record summary
CVE-2020-37011 has a selected CVSS score of 8.4 (high); EIP currently links 1 catalogued exploit.
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactTotal
CISA Coordinator · SSVC 2.0.3 · Evaluated Jan 29, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Fonts ViewerBrowse GNOME / Fonts Viewer | CVE List | 3.34.0 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBGnome Fonts Viewer 3.34.0 - Heap CorruptionExploitDB exploitby Cody WinklerNot analyzed1 file
References
5Gnome Official Websiteproduct
https://help.gnome.org/ nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2020-37011 ExploitDB-48803exploit
https://www.exploit-db.com/exploits/48803 VulnCheck Advisory: Gnome Fonts Viewer 3.34.0 Heap CorruptionThird-party advisory
https://www.vulncheck.com/advisories/gnome-fonts-viewer-heap-corruption