Bug 1788994 (CVE-2019-9433) - CVE-2019-9433 libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
Summary: CVE-2019-9433 libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
Keywords:
Status: NEW
Alias: CVE-2019-9433
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1796099 1796100
Blocks: 1789038
TreeView+ depends on / blocked
 
Reported: 2020-01-08 14:33 UTC by Pedro Sampaio
Modified: 2020-07-24 22:38 UTC (History)
1 user (show)

Fixed In Version: libvpx 1.8.0
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Description Pedro Sampaio 2020-01-08 14:33:25 UTC
In libvpx, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.

Upstream issue:

https://chromium-review.googlesource.com/c/webm/libvpx/%2B/1070753

Upstream patch:

https://github.com/webmproject/libvpx/commit/52add5896661d186dec284ed646a4b33b607d2c7

References:

http://www.openwall.com/lists/oss-security/2019/10/25/17 	
http://www.openwall.com/lists/oss-security/2019/10/27/1 	
http://www.openwall.com/lists/oss-security/2019/11/07/1


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