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Fedora Update Notification
FEDORA-2022-ccc68b06cc
2022-12-28 01:39:25.823200
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Name : libtar
Product : Fedora 36
Version : 1.2.20
Release : 26.fc36
URL :
http://repo.or.cz/libtar.git
Summary : Tar file manipulation API
Description :
libtar is a C library for manipulating tar archives. It supports both
the strict POSIX tar format and many of the commonly-used GNU
extensions.
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Update Information:
- fix use-after-free bugs introduced by incorrect memleak fixes (CVE-2021-33640)
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ChangeLog:
* Mon Dec 19 2022 Kamil Dudka <kdudka(a)redhat.com> - 1.2.20-26
- fix use-after-free bugs introduced by incorrect memleak fixes (CVE-2021-33640)
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References:
[ 1 ] Bug #2121291 - CVE-2021-33643 libtar: out-of-bounds read in gnu_longlink
[fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2121291
[ 2 ] Bug #2121296 - CVE-2021-33645 libtar: memory leak found in th_read() function
[fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2121296
[ 3 ] Bug #2121300 - CVE-2021-33644 libtar: out-of-bounds read in gnu_longname
[fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2121300
[ 4 ] Bug #2121304 - CVE-2021-33646 libtar: memory leak found in th_read() function
doesn���t free a variable t->th_buf.gnu_longname after allocating memory [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2121304
[ 5 ] Bug #2154891 - CVE-2021-33640 libtar: fixes for CVE-2021-33645 and CVE-2021-33646
introduced new use-after-free bugs in libtar [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2154891
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-ccc68b06cc' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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