CVE-2020-25690
mediumpriority · track · 35EPSS 0.013 · 71 %ileEUUSEPSS · scored 2026-10-27
An out-of-bounds write flaw was found in FontForge in versions before 20200314 while parsing SFD files containing certain LayerCount tokens. This flaw allows an attacker to manipulate the memory allocated on the heap, causing the application to crash or execute arbitrary code. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://bugzilla.redhat.com/show_bug.cgi?id=1893188cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-25690cnnvd
- https://packetstormsecurity.com/files/159860/Red-Hat-Security-Advisory-2020-4844-01.htmlcnnvd
- https://vigilance.fr/vulnerability/RHEL-8-denial-of-service-via-fontforge-33798cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.3825/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4308/cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1893188enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1893188Issue TrackingPatchThird Party Advisorynvd
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