Bug 2234826 (CVE-2020-21679)

Summary: CVE-2020-21679 GraphicsMagick: heap buffer overflow in WritePCXImage()
Product: [Other] Security Response Reporter: Mauro Matteo Cascella <mcascell>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 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: 2234827, 2234828    
Bug Blocks:    

Description Mauro Matteo Cascella 2023-08-25 14:45:47 UTC
Buffer Overflow vulnerability in WritePCXImage function in pcx.c in GraphicsMagick 1.4 allows remote attackers to cause a denial of service via converting of crafted image file to pcx format.

Upstream bug:
https://sourceforge.net/p/graphicsmagick/bugs/619/

Comment 1 Mauro Matteo Cascella 2023-08-25 14:46:04 UTC
Created GraphicsMagick tracking bugs for this issue:

Affects: epel-all [bug 2234827]
Affects: fedora-all [bug 2234828]