[SECURITY] [DLA 2672-1] libwebp security update
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Debian LTS Advisory DLA-2677-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Anton Gladky
June 05, 2021 https://wiki.debian.org/LTS
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Package : libwebp
Version : 0.5.2-1+deb9u1
CVE ID : CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012
CVE-2018-25013 CVE-2018-25014 CVE-2020-36328 CVE-2020-36329
CVE-2020-36330 CVE-2020-36331
Multiple security issues have been discovered in libwebp
CVE-2018-25009
An out-of-bounds read was found in function WebPMuxCreateInternal.
The highest threat from this vulnerability is to data confidentiality
and to the service availability.
CVE-2018-25010
An out-of-bounds read was found in function ApplyFilter.
The highest threat from this vulnerability is to data confidentiality
and to the service availability.
CVE-2018-25011
A heap-based buffer overflow was found in PutLE16().
The highest threat from this vulnerability is to data confidentiality
and integrity as well as system availability.
CVE-2018-25012
An out-of-bounds read was found in function WebPMuxCreateInternal.
The highest threat from this vulnerability is to data confidentiality
and to the service availability.
CVE-2018-25013
An out-of-bounds read was found in function ShiftBytes.
The highest threat from this vulnerability is to data confidentiality
and to the service availability.
CVE-2018-25014
An unitialized variable is used in function ReadSymbol.
The highest threat from this vulnerability is to data confidentiality
and integrity as well as system availability.
CVE-2020-36328
A heap-based buffer overflow in function WebPDecodeRGBInto is possible
due to an invalid check for buffer size. The highest threat from this
vulnerability is to data confidentiality and integrity as well as system
availability.
CVE-2020-36329
A use-after-free was found due to a thread being killed too early.
The highest threat from this vulnerability is to data confidentiality
and integrity as well as system availability.
CVE-2020-36330
An out-of-bounds read was found in function ChunkVerifyAndAssign.
The highest threat from this vulnerability is to data confidentiality
and to the service availability.
CVE-2020-36331
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.
For Debian 9 stretch, these problems have been fixed in version
0.5.2-1+deb9u1.
We recommend that you upgrade your libwebp packages.
For the detailed security status of libwebp please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libwebp
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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