-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-ca858b3ed8 2026-06-29 00:57:02.525499+00:00 --------------------------------------------------------------------------------
Name : libssh2 Product : Fedora 44 Version : 1.11.1 Release : 9.fc44 URL : https://www.libssh2.org/ Summary : A library implementing the SSH2 protocol Description : libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS(22), SECSH-USERAUTH(25), SECSH-CONNECTION(23), SECSH-ARCH(20), SECSH-FILEXFER(06)*, SECSH-DHGEX(04), and SECSH-NUMBERS(10).
-------------------------------------------------------------------------------- Update Information:
This update addresses a few security issues, one of which could plausibly result in remote code execution. -------------------------------------------------------------------------------- ChangeLog:
* Thu Jun 25 2026 Paul Howarth paul@city-fan.org - 1.11.1-9 - Fix CVE-2025-15661: Information disclosure and denial of service via crafted SFTP response * Tue Jun 23 2026 Mikel Olasagasti Uranga mikel@olasagasti.info - 1.11.1-8 - Fix CVE-2026-55200 & CVE-2026-55199 * Fri Jun 12 2026 Yaakov Selkowitz yselkowi@redhat.com - 1.11.1-7 - Rebuilt for openssl 4.0 -------------------------------------------------------------------------------- References:
[ 1 ] Bug #2491730 - CVE-2026-55199 libssh2: libssh2: Denial of Service via crafted SSH_MSG_EXT_INFO message [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2491730 [ 2 ] Bug #2491738 - CVE-2026-55200 libssh2: libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2491738 [ 3 ] Bug #2492698 - CVE-2025-15661 libssh2: libssh2: Information disclosure and denial of service via crafted SFTP response [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2492698 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-ca858b3ed8' 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 --------------------------------------------------------------------------------