A glibc security update has been released for Fedora 30.

SECURITY: Fedora 30 Update: glibc-2.29-29.fc30

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Fedora Update Notification
FEDORA-2020-7f625c5ea8
2020-04-09 17:43:21.961400
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Name : glibc
Product : Fedora 30
Version : 2.29
Release : 29.fc30
URL :   http://www.gnu.org/software/glibc/
Summary : The GNU libc libraries
Description :
The glibc package contains standard libraries which are used by
multiple programs on the system. In order to save disk space and
memory, as well as to make upgrading easier, common system code is
kept in one place and shared between programs. This particular package
contains the most important sets of shared libraries: the standard C
library and the standard math library. Without these two libraries, a
Linux system will not function.

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Update Information:

This update incorporates fixes from the upstream glibc 2.29 stable release
branch, including 3 fixes for medium severity security vulnerabilities.
(CVE-2020-10029, CVE-2020-1752, CVE-2020-1751)
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ChangeLog:

* Tue Mar 24 2020 Patsy Franklin - 2.29-29
- Auto-sync with upstream branch release/2.29/master,
commit a318448f7aca169f7795d9d300c525d96f914af0.
- Fix array overflow in backtrace on PowerPC (bug 25423)
- Fix use-after-free in glob when expanding ~user (bug 25414)
- math/test-sinl-pseudo: Use stack protector only if available
- Avoid ldbl-96 stack corruption from range reduction of pseudo-zero (bug 25487).
- riscv: Do not use __has_include__
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References:

[ 1 ] Bug #1810671 - CVE-2020-10029 glibc: stack corruption from crafted input in cosl, sinl, sincosl, and tanl functions [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1810671
[ 2 ] Bug #1811586 - CVE-2020-1752 glibc: use-after-free in glob() function when expanding ~user [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1811586
[ 3 ] Bug #1811589 - CVE-2020-1751 glibc: array overflow in backtrace functions for powerpc [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1811589
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-7f625c5ea8' 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