Fedora 34: FEDORA-2021-eb5b7c53a9 Critical Curl TLS and TELNET Fixes

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.

- fix TLS session caching disaster (CVE-2021-22901) - fix TELNET stack contents

disclosure (CVE-2021-22898)

* 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)

[ 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

su -c 'dnf upgrade --advisory FEDORA-2021-eb5b7c53a9' 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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