Fedora 33: xscreensaver 2021-5af4452ffd
Summary
A modular screen saver and locker for the X Window System.
More than 200 display modes are included in this package.
This is a metapackage for installing all default packages
related to XScreenSaver.
A potential security flaw was found on xscreensaver 5.45 which may cause buffer
overflow or crash xscreensaver daemon. This vulnerability was assigned as
CVE-2021-34557. This new rpm should fix this issue. Note that this issue does
not affect xscreensaver 6.00 and above, so Fedora 34 xscreensaver is not
affected.
* Tue Aug 10 2021 Mamoru TASAKA
- update_screen_layout: fix CVE-2021-34557 (bug 1974194)
[ 1 ] Bug #1974194 - CVE-2021-34557 XScreenSaver: buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authentication
https://bugzilla.redhat.com/show_bug.cgi?id=1974194
su -c 'dnf upgrade --advisory FEDORA-2021-5af4452ffd' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html
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/security/
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FEDORA-2021-5af4452ffd 2021-08-19 01:10:36.707704 Product : Fedora 33 Version : 5.45 Release : 2.fc33 URL : https://www.jwz.org/xscreensaver/ Summary : X screen saver and locker Description : A modular screen saver and locker for the X Window System. More than 200 display modes are included in this package. This is a metapackage for installing all default packages related to XScreenSaver. A potential security flaw was found on xscreensaver 5.45 which may cause buffer overflow or crash xscreensaver daemon. This vulnerability was assigned as CVE-2021-34557. This new rpm should fix this issue. Note that this issue does not affect xscreensaver 6.00 and above, so Fedora 34 xscreensaver is not affected. * Tue Aug 10 2021 Mamoru TASAKA - 1:5.45-2 - update_screen_layout: fix CVE-2021-34557 (bug 1974194) [ 1 ] Bug #1974194 - CVE-2021-34557 XScreenSaver: buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authentication https://bugzilla.redhat.com/show_bug.cgi?id=1974194 su -c 'dnf upgrade --advisory FEDORA-2021-5af4452ffd' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html 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/security/ package-announce mailing list -- package-announce@lists.fedoraproject.org To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/ Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
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References