Bug 1962854 (CVE-2021-33480)

Summary:	CVE-2021-33480 gocr: use-after-free in context_correction() in pgm2asc.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	tsmetana
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-05-20 23:32:02 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:	1962855
Bug Blocks:	1955790, 1962916

Description Guilherme de Almeida Suckevicz 2021-05-20 16:52:25 UTC

An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.

Reference:
https://sourceforge.net/p/jocr/bugs/40/
https://sourceforge.net/p/jocr/bugs/41/

Comment 1 Guilherme de Almeida Suckevicz 2021-05-20 16:52:49 UTC

Created gocr tracking bugs for this issue:

Affects: fedora-all [bug 1962855]

Comment 2 Product Security DevOps Team 2021-05-20 23:32:02 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.