What’s Vulnerable › Vulnerabilities

CVE-2020-27778

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-03 · updated 2026-06-17
• Weakness: CWE-824

Description

A flaw was found in Poppler in the way certain PDF files were converted into HTML. A remote attacker could exploit this flaw by providing a malicious PDF file that, when processed by the 'pdftohtml' program, would crash the application causing a denial of service.

Affected products

• Debian Linux: 10.0
• poppler: before 0.76.0 — fixed in 0.76.0
• Red Hat Enterprise Linux: 8.0

How to fix

Upgrade to a fixed version: poppler 0.76.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1900712
• https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1900712
• https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html

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