Bug 1985493 (CVE-2020-19498)

Summary:	CVE-2020-19498 libheif: floating point exception in Fraction()
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, tomckay
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A floating-point exception flaw was found in the Fraction function in libheif. This flaw allows an attacker to cause a denial of service and other possible unspecified impacts. The highest threat from this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-27 19:06:47 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:
Bug Blocks:	1985496

Description Guilherme de Almeida Suckevicz 2021-07-23 17:56:33 UTC

Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

Reference:
https://github.com/strukturag/libheif/issues/139

Upstream patch:
https://github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58

Comment 1 Product Security DevOps Team 2021-07-27 19:06:47 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-19498