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[slackware-security] libssh (SSA:2025-175-01)

Posted on 25 June 2025
Slackware Security

[slackware-security] libssh (SSA:2025-175-01)

New libssh packages are available for Slackware 15.0 and -current to
fix security issues.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/libssh-0.11.2-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
Write beyond bounds in binary to base64 conversion.
Use of uninitialized variable in privatekey_from_file().
Likely read beyond bounds in sftp server handle management.
Double free in functions exporting keys.
ssh_kdf() returns a success code on certain failures.
Likely read beyond bounds in sftp server message decoding.
Invalid return code for chacha20 poly1305 with OpenSSL.
For more information, see:
https://www.cve.org/CVERecord?id=CVE-2025-4877
https://www.cve.org/CVERecord?id=CVE-2025-4878
https://www.cve.org/CVERecord?id=CVE-2025-5318
https://www.cve.org/CVERecord?id=CVE-2025-5351
https://www.cve.org/CVERecord?id=CVE-2025-5372
https://www.cve.org/CVERecord?id=CVE-2025-5449
https://www.cve.org/CVERecord?id=CVE-2025-5987
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/libssh-0.11.2-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libssh-0.11.2-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libssh-0.11.2-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libssh-0.11.2-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 15.0 package:
14b77cf890efc0510973e11c8915e5dc libssh-0.11.2-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
ea821028e9558cf5e5d03150e3301712 libssh-0.11.2-x86_64-1_slack15.0.txz

Slackware -current package:
73a5d112c67b504ceaebd3aeb516d514 l/libssh-0.11.2-i686-1.txz

Slackware x86_64 -current package:
ee7348abd23222070612485eb8549553 l/libssh-0.11.2-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg libssh-0.11.2-i586-1_slack15.0.txz


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

 

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