- -------------------------------------------------------------------------
Debian LTS Advisory DLA-3202-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Sylvain Beucler
November 22, 2022                             https://wiki.debian.org/LTS
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Package        : libarchive
Version        : 3.3.3-4+deb10u2
CVE ID         : CVE-2019-19221 CVE-2021-23177 CVE-2021-31566
Debian Bug     : 945287 1001986 1001990

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

CVE-2019-19221

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

CVE-2021-23177

    extracting a symlink with ACLs modifies ACLs of target

CVE-2021-31566

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


For Debian 10 buster, these problems have been fixed in version
3.3.3-4+deb10u2.

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/source-package/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-3202-1: libarchive security update

November 22, 2022
Three issues have been found in libarchive, a multi-format archive and compression library

Summary

CVE-2019-19221

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

CVE-2021-23177

extracting a symlink with ACLs modifies ACLs of target

CVE-2021-31566

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


For Debian 10 buster, these problems have been fixed in version
3.3.3-4+deb10u2.

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/source-package/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 : 3.3.3-4+deb10u2
CVE ID : CVE-2019-19221 CVE-2021-23177 CVE-2021-31566
Debian Bug : 945287 1001986 1001990

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