- New upstream release 1.10.0
- Adds agent forwarding support
- Adds OpenSSH Agent support on Windows
- Adds ECDSA key support using the Mbed TLS backend
- Adds ECDSA cert authentication
- Adds diffie-hellman-group14-sha256, diffie-hellman-group16-sha512,
diffie-hellman-group18-sha512 key exchanges
- Adds support for PKIX key reading when using ed25519 with OpenSSL
- Adds support for EWOULDBLOCK on VMS systems
- Adds support for building with OpenSSL 3
- Adds support for using FIPS mode in OpenSSL
- Adds debug symbols when building with MSVC
- Adds support for building on the 3DS
- Adds unicode build support on Windows
- Restores os400 building
- Increases min, max and opt Diffie Hellman group values
- Improves portability of the make file
- Improves timeout behaviour with 2FA keyboard auth
- Various improvements to the Wincng backend
- Fixes reading partial packet replies when using an agent
- Fixes Diffie Hellman key exchange on Windows 1903+ builds
- Fixes building tests with older versions of OpenSSL
- Fixes possible multiple definition warnings
- Fixes potential cast issues _libssh2_ecdsa_key_get_curve_type()
- Fixes potential use after free if libssh2_init() is called twice
- Improved linking when using Mbed TLS
- Fixes call to libssh2_crypto_exit() if crypto hasn't been initialized
- Fixes crash when loading public keys with no id
- Fixes possible out of bounds read when exchanging keys
- Fixes possible out of bounds read when reading packets
- Fixes possible out of bounds read when opening an X11 connection
- Fixes possible out of bounds read when ecdh host keys
- Fixes possible hang when trying to read a disconnected socket
- Fixes a crash when using the delayed compression option
- Fixes read error with large known host entries
- Fixes various warnings
- Fixes various small memory leaks
- Improved error handling, various detailed errors will now be reported
- Builds are now using OSS-Fuzz
- Builds now use autoreconf instead of a custom build script
- cmake now respects install directory
- Improved CI backend
- Updated HACKING-CRYPTO documentation
- Use markdown file extensions
- Improved unit tests
This update addresses CVE-2020-22218 (use-of-uninitialized-value in
_libssh2_transport_read).
- New upstream release 1.9.0
- Adds ECDSA keys and host key support when using OpenSSL
- Adds ED25519 key and host key support when using OpenSSL 1.1.1
- Adds OpenSSH style key file reading
- Adds AES CTR mode support when using WinCNG
- Adds PEM passphrase protected file support for libgcrypt and WinCNG
- Adds SHA256 hostkey fingerprint
- Adds libssh2_agent_get_identity_path() and libssh2_agent_set_identity_path()
- Adds explicit zeroing of sensitive data in memory
- Adds additional bounds checks to network buffer reads
- Adds the ability to use the server default permissions when creating sftp directories
- Adds support for building with OpenSSL no engine flag
- Adds support for building with LibreSSL
- Increased sftp packet size to 256k
- Fixed oversized packet handling in sftp
- Fixed building with OpenSSL 1.1
- Fixed a possible crash if sftp stat gets an unexpected response
- Fixed incorrect parsing of the KEX preference string value
- Fixed conditional RSA and AES-CTR support
- Fixed a small memory leak during the key exchange process
- Fixed a possible memory leak of the ssh banner string
- Fixed various small memory leaks in the backends
- Fixed possible out of bounds read when parsing public keys from the server
- Fixed possible out of bounds read when parsing invalid PEM files
- No longer null terminates the scp remote exec command
- Now handle errors when Diffie Hellman key pair generation fails
- Fixed compiling on Windows with the flag STDCALL=ON
- Improved building instructions
- Improved unit tests
- Needs OpenSSL ≥ 1.0.1 now as ECC support is assumed
- Modernize spec somewhat as EL-6 can no longer be supported
- New upstream release 1.8.1
- Fixed possible integer overflow when reading a specially crafted packet
(CVE-2019-3855)
- Fixed possible integer overflow in userauth_keyboard_interactive with a
number of extremely long prompt strings (CVE-2019-3863)
- Fixed possible integer overflow if the server sent an extremely large
number of keyboard prompts (CVE-2019-3856)
- Fixed possible out of bounds read when processing a specially crafted
packet (CVE-2019-3861)
- Fixed possible integer overflow when receiving a specially crafted exit
signal message channel packet (CVE-2019-3857)
- Fixed possible out of bounds read when receiving a specially crafted exit
status message channel packet (CVE-2019-3862)
- Fixed possible zero byte allocation when reading a specially crafted SFTP
packet (CVE-2019-3858)
- Fixed possible out of bounds reads when processing specially crafted SFTP
packets (CVE-2019-3860)
- Fixed possible out of bounds reads in _libssh2_packet_require(v)
(CVE-2019-3859)
- Fix mis-applied patch in the fix of CVE-2019-3859
- https://github.com/libssh2/libssh2/issues/325
- https://github.com/libssh2/libssh2/pull/327
- scp: Do not NUL-terminate the command for remote exec (#1489736, GH#208)
- Make devel package dependency on main package arch-specific
- Drop EL-5 support
- noarch sub-packages always available now
- Drop legacy Group: and BuildRoot: tags
- Drop explicit buildroot cleaning
- %{__isa_bits} always defined now
- New upstream release 1.8.0
- Added a basic dockerised test suite
- crypto: Add support for the mbedTLS backend
- See RELEASE-NOTES for details of bug fixes
- New upstream release 1.7.0
- diffie_hellman_sha256: Convert bytes to bits (CVE-2016-0787); see
http://www.libssh2.org/adv_20160223.html
- libssh2_session_set_last_error: Add function
- See RELEASE-NOTES for details of bug fixes
- New upstream release 1.5.0
- See RELEASE-NOTES for details of bug fixes and enhancements
- Security Advisory for CVE-2015-1782, using SSH_MSG_KEXINIT data unbounded
Paul Howarth
Fedora Release Engineering
Kamil Dudka
Igor Gnatenko
Tomas Mraz
Peter Robinson
Dennis Gilmore
Peter Robinson
Tom Callaway
Karsten Hopp
Richard W.M. Jones