Bug 2081748 (CVE-2022-0856)

Summary:	CVE-2022-0856 libcaca: Divide by zero in img2txt
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:	matthias, negativo17, xavier
Target Milestone:	---	Keywords:	Security
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:	2022-05-04 18:45:57 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:	2081749, 2081750
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2022-05-04 14:21:19 UTC

libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service.

References:
https://github.com/cacalabs/libcaca/issues/65
https://github.com/advisories/GHSA-p2c9-9qhg-mq4q

Comment 1 Guilherme de Almeida Suckevicz 2022-05-04 14:21:37 UTC

Created libcaca tracking bugs for this issue:

Affects: epel-all [bug 2081750]
Affects: fedora-all [bug 2081749]

Comment 2 Product Security DevOps Team 2022-05-04 18:45:55 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.