High severity · published Feb 23, 2021
CVE-2020-25690
An out-of-bounds write flaw was found in FontForge in versions before 20200314 while parsing SFD files containing certain LayerCount tokens
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fontforge · Fontforge
before 20200314 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25690
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25690
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1893188
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