Bug 1489842 (CVE-2017-6362)

Summary: CVE-2017-6362 gd: Double free in the gdImagePngPtr function
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: alexl, caillon+fedoraproject, caolanm, databases-maint, fedora, hhorak, jmlich83, john.j5live, jorton, mbarnes, mskalick, rcollet, rhughes, rstrode, sandmann, trepik, webstack-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: gd 2.2.5 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-10-05 06:33:25 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1489844    
Bug Blocks: 1417990    

Description Andrej Nemec 2017-09-08 13:15:10 UTC 
Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.

Upstream issue:

https://github.com/libgd/libgd/issues/381

Upstream patch:

https://github.com/libgd/libgd/commit/56ce6ef068b954ad28379e83cca04feefc51320c
Comment 1 Andrej Nemec 2017-09-08 13:15:46 UTC 
Created libwmf tracking bugs for this issue:

Affects: fedora-all [bug 1489844]