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Debian 9: DLA-2987-1 Moderate: Libarchive Extraction Issues

debian lts
Calendar Grey April 30, 2022
Dist Debian Esm H88
Significant vulnerabilities identified in libarchive have been addressed. Ensure you update your software with this notice.
Three issues have been found in libarchive, a multi-format archive and compression library
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Topics Covered

security advisory moderate security issue debian libarchive archive library extraction problem

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/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



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

Topics%20covered

Topics Covered

security advisory moderate security issue debian libarchive archive library extraction problem

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