CVE-2017-9209

Publication date 23 May 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

libqpdf.a in QPDF 6.0.0 allows remote attackers to cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document, related to QPDFObjectHandle::parseInternal, aka qpdf-infiniteloop2.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qpdf	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored end of life
	16.04 LTS xenial	Fixed 8.0.2-3~16.04.1
	14.04 LTS trusty	Fixed 8.0.2-3~14.04.1

Notes

mdeslaur

this patch breaks ABI

Patch details

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

Package	Patch details
qpdf	Upstream: 315092d

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-3638-1
QPDF vulnerabilities
7 May 2018