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CVE-2020-37011

HIGH

7.5

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 cause an infinite malloc() loop and potentially crash the gnome-font-viewer process.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/29/2026

Last Modified1/29/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-787

References

https://apps.gnome.org/FontViewer/(disclosure@vulncheck.com)

https://help.gnome.org/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48803(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/gnome-fonts-viewer-heap-corruption(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48803(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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