Buffer overflow in Fontforge
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. 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.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Fontforge
- N/a Fontforge — versions fontforge before 20200314
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2020-25690?
- CVE-2020-25690 is a high-severity vulnerability in Fontforge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2021-02-23.
- How severe is CVE-2020-25690?
- High severity. CVSS v3 base score is 8.8 out of 10.