Fedora Linux 8799 Published by

A curl security update has been released for Fedora 34.



SECURITY: Fedora 34 Update: curl-7.76.1-3.fc34


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Fedora Update Notification
FEDORA-2021-eb5b7c53a9
2021-05-28 00:59:13.836761
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Name : curl
Product : Fedora 34
Version : 7.76.1
Release : 3.fc34
URL :   https://curl.se/
Summary : A utility for getting files from remote servers (FTP, HTTP, and others)
Description :
curl is a command line tool for transferring data with URL syntax, supporting
FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP,
SMTP, POP3 and RTSP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP
uploading, HTTP form based upload, proxies, cookies, user+password
authentication (Basic, Digest, NTLM, Negotiate, kerberos...), file transfer
resume, proxy tunneling and a busload of other useful tricks.

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Update Information:

- fix TLS session caching disaster (CVE-2021-22901) - fix TELNET stack contents
disclosure (CVE-2021-22898)
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ChangeLog:

* Wed May 26 2021 Kamil Dudka - 7.76.1-3
- fix TLS session caching disaster (CVE-2021-22901)
- fix TELNET stack contents disclosure (CVE-2021-22898)
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References:

[ 1 ] Bug #1956807 - dnf segfaults during kickstart (libcurl.so.4.7.0) with ssl repositories
  https://bugzilla.redhat.com/show_bug.cgi?id=1956807
[ 2 ] Bug #1964815 - CVE-2021-22901 curl: Use-after-free in TLS session handling when using OpenSSL TLS backend [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1964815
[ 3 ] Bug #1964923 - CVE-2021-22898 curl: TELNET stack contents disclosure [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1964923
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-eb5b7c53a9' 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