Bug 1956868 (CVE-2020-36332)

Summary:	CVE-2020-36332 libwebp: excessive memory allocation when reading a file
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	erack, jgrulich, jhorak, kaycoth, manisandro, stransky, tpopela, tuxator, vmugicag
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libwebp 1.0.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in libwebp. When reading a file libwebp allocates an excessive amount of memory. The highest threat from this vulnerability is to the service availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-10 01:52:23 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:	1962004, 1962005, 1961603, 1961604, 1961978, 1961979
Bug Blocks:	1940150, 1956995

Description Guilherme de Almeida Suckevicz 2021-05-04 14:52:29 UTC

A flaw was found in libwebp in versions before 1.0.1 in the way it read the contents of a file without limiting memory allocation.

Reference:
https://bugs.chromium.org/p/webp/issues/detail?id=391

Comment 1 Riccardo Schirone 2021-05-18 10:25:18 UTC

Upstream patch:
https://chromium.googlesource.com/webm/libwebp/+/39cb9aad85ca7bb1d193013460db1f8cc6bff109

Comment 5 errata-xmlrpc 2021-11-09 17:50:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4231 https://access.redhat.com/errata/RHSA-2021:4231

Comment 6 Product Security DevOps Team 2021-11-10 01:52:21 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-2020-36332