VULNERABILITY INTELLIGENCE

CVE-2021-39542

CVSS score5.5 MEDIUM

EPSS probability0.64%

CISA KEVNot currently listed

Published2021-09-20

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

nvd@nist.gov: CWE-476

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory