Headline
CVE-2020-36331: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c
A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.
Bug 1956856 (CVE-2020-36331) - CVE-2020-36331 libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c
Summary: CVE-2020-36331 libwebp: out-of-bounds read in ChunkAssignData() in mux/muxint…
Keywords:
Status:
CLOSED ERRATA
Alias:
CVE-2020-36331
Product:
Security Response
Classification:
Other
Component:
vulnerability
Sub Component:
Version:
unspecified
Hardware:
All
OS:
Linux
Priority:
medium
Severity:
medium
Target Milestone:
—
Assignee:
Red Hat Product Security
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
1961978 1961979 1962004 1962005 1961601 1961602
Blocks:
1940150 1956995
TreeView+
depends on / blocked
Reported:
2021-05-04 14:38 UTC by Guilherme de Almeida Suckevicz
Modified:
2021-11-10 01:51 UTC (History)
CC List:
9 users (show)
Fixed In Version:
libwebp 1.0.1
Doc Type:
If docs needed, set a value
Doc Text:
A flaw was found in libwebp. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.
Clone Of:
Environment:
Last Closed:
2021-11-10 01:51:55 UTC
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Links
System
ID
Private
Priority
Status
Summary
Last Updated
Red Hat Product Errata
RHSA-2021:4231
0
None
None
None
2021-11-09 17:50:23 UTC
Description Guilherme de Almeida Suckevicz 2021-05-04 14:38:36 UTC
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ChunkAssignData() in mux/muxinternal.c.
Reference: https://bugs.chromium.org/p/webp/issues/detail?id=388
Comment 2 Riccardo Schirone 2021-05-18 10:05:13 UTC
Upstream patch: https://chromium.googlesource.com/webm/libwebp/+/be738c6d396fa5a272c1b209be4379a7532debfe
Comment 7 errata-xmlrpc 2021-11-09 17:50:21 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 8 Product Security DevOps Team 2021-11-10 01:51:53 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-2020-36331
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