Buffer overflow in Fontforge
CVE-2020-5496
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
Vulnerability class: Buffer Overflow
EPSS: 0.024 (82.1th 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 — versions 20190801
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2020-5496?
- CVE-2020-5496 is a high-severity vulnerability in Fontforge, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-01-03.
- How severe is CVE-2020-5496?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-5496 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.