CVE-2018-20662

Publication date 3 January 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDFDoc::setup) by crafting a PDF file in which an xref data structure is mishandled during extractPDFSubtype processing.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
poppler	19.04 disco	Fixed 0.74.0-0ubuntu1.2
	18.10 cosmic	Fixed 0.68.0-0ubuntu1.7
	18.04 LTS bionic	Fixed 0.62.0-2ubuntu2.9
	16.04 LTS xenial	Fixed 0.41.0-0ubuntu1.14
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
poppler	Upstream: 7b4e372

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	6.5 · Medium
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-4042-1
poppler vulnerabilities
27 June 2019

Other references

https://www.cve.org/CVERecord?id=CVE-2018-20662