CVE-2017-18185

Publication date 13 February 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.

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
	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

seth-arnold

The commit ec7d74a is strictly tests

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: ec7d74a Upstream: 6d46346 Upstream: 1868a10

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	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H