- ------------------------------------------------------------------------- Debian LTS Advisory DLA-2987-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz April 30, 2022 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- 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