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[slackware-security]  gnutls (SSA:2021-145-01)

New gnutls packages are available for Slackware 14.2 and -current to
fix security issues.


Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/gnutls-3.6.16-i586-1_slack14.2.txz:  Upgraded.
  Fixed potential miscalculation of ECDSA/EdDSA code backported from Nettle.
  In GnuTLS, as long as it is built and linked against the fixed version of
  Nettle, this only affects GOST curves.  [CVE-2021-20305]
  Fixed potential use-after-free in sending "key_share" and "pre_shared_key"
  extensions. When sending those extensions, the client may dereference a
  pointer no longer valid after realloc. This happens only when the client
  sends a large Client Hello message, e.g., when HRR is sent in a resumed
  session previously negotiated large FFDHE parameters, because the initial
  allocation of the buffer is large enough without having to call realloc
  (#1151).  [GNUTLS-SA-2021-03-10, CVSS: low]
  For more information, see:
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20305
  (* 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 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/gnutls-3.6.16-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/gnutls-3.6.16-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/gnutls-3.6.16-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/gnutls-3.6.16-x86_64-1.txz


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

Slackware 14.2 package:
e5e090aec3cb58a0827c439b147f390a  gnutls-3.6.16-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
be595ec5fcdbca3785300b5afb522cbc  gnutls-3.6.16-x86_64-1_slack14.2.txz

Slackware -current package:
31f28c68fa45993cbbf776e8c9617bef  n/gnutls-3.6.16-i586-1.txz

Slackware x86_64 -current package:
8ad989f9a529c145019bb4b31dd7c749  n/gnutls-3.6.16-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg gnutls-3.6.16-i586-1_slack14.2.txz


+-----+

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

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