What’s Vulnerable › Vulnerabilities
CVE-2021-39542
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-09-20 · updated 2026-06-17
- Weakness: CWE-476
Description
An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Font::Size() located in font.cpp. It allows an attacker to cause Denial of Service.
Affected products
- Pdftools Project Pdftools: through 2020-07-14
References
Get alerted when CVE-2021-39542 or the next vulnerability affects your stack