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TI-2020-16863 Aliases CVE-2020-27778GHSA-9f25-w4h3-5q5x

A flaw was found in Poppler in the way certain PDF files were converted into HTML.

Priority LOW 37CWE-824Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-824 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02201 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—popplerpoppler 0.76.0—No fix listedCNA
  • poppler Vendor— Affected poppler 0.76.0 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*before 0.76.0VulnerableFreedesktop
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:* Versions before 0.76.0 Vulnerable ·Freedesktop
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2021:1881 Released 2021-05-18 · Red Hat rating Moderate
    poppler and evince security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) evince-devel-3.28.4-11.el8, poppler-cpp-20.11.0-2.el8, poppler-cpp-devel-20.11.0-2.el8 +4
    • Red Hat Enterprise Linux AppStream (v. 8) evince-3.28.4-11.el8, evince-browser-plugin-3.28.4-11.el8, evince-libs-3.28.4-11.el8 +4

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2021:1881
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:1881

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27778
  2. 2026-10-03 Alias added: GHSA-9f25-w4h3-5q5x

References

Sources