- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2987-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
April 30, 2022                                https://wiki.debian.org/LTS
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Package        : libarchive
Version        : 3.2.2-2+deb9u3
CVE ID         : CVE-2019-19221 CVE-2021-23177 CVE-2021-31566


Three issues have been found in libarchive, a multi-format archive and 
compression library.

CVE-2021-31566
      symbolic links incorrectly followed when changing modes, times, ACL
      and flags of a file while extracting an archive

CVE-2021-23177
      extracting a symlink with ACLs modifies ACLs of target

CVE-2019-19221
      out-of-bounds read because of an incorrect mbrtowc or mbtowc call


For Debian 9 stretch, these problems have been fixed in version
3.2.2-2+deb9u3.

We recommend that you upgrade your libarchive packages.

For the detailed security status of libarchive please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libarchive

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

Debian LTS: DLA-2987-1: libarchive security update

April 30, 2022
Three issues have been found in libarchive, a multi-format archive and compression library

Summary

Three issues have been found in libarchive, a multi-format archive and
compression library.

CVE-2021-31566
symbolic links incorrectly followed when changing modes, times, ACL
and flags of a file while extracting an archive

CVE-2021-23177
extracting a symlink with ACLs modifies ACLs of target

CVE-2019-19221
out-of-bounds read because of an incorrect mbrtowc or mbtowc call


For Debian 9 stretch, these problems have been fixed in version
3.2.2-2+deb9u3.

We recommend that you upgrade your libarchive packages.

For the detailed security status of libarchive please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libarchive

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



Severity
Package : libarchive
Version : 3.2.2-2+deb9u3
CVE ID : CVE-2019-19221 CVE-2021-23177 CVE-2021-31566

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