Bug 1475514 (CVE-2017-11626)

Summary: CVE-2017-11626 qpdf: Infinite loop in QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jpopelka, twaugh, zdohnal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 03:18:49 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1475515, 1475516    
Bug Blocks:    

Description Pedro Sampaio 2017-07-26 20:00:54 UTC
A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service via a crafted file, related to the QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc after four consecutive calls to QPDFObjectHandle::parseInternal, aka an "infinite loop".

Upstream bug:


Upstream patch:




Comment 1 Pedro Sampaio 2017-07-26 20:01:21 UTC
Created qpdf tracking bugs for this issue:

Affects: epel-6 [bug 1475515]
Affects: fedora-all [bug 1475516]