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Slackware 14.2 GnuTLS Security Update SSA:2021-145-01 Low Severity Issue

slackware
Calendar Grey May 25, 2021
Dist Slackware Esm H88
OpenSSL libraries refreshed for Fedora 35 and Rawhide to mitigate vulnerabilities. Update today to ensure improved security.
New gnutls packages are available for Slackware 14.2 and -current to fix security issues

Summary

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 When sending those extensions, the client may dereference a pointer no longer valid after realloc.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://www.cve.org/CVERecord?id=CVE-2021-20305 (* Security fix *)

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.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:
Updated package for Slackware x86_64 -current:

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

Severity
low
Lowest
Low
Medium
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Critical

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Installation Instructions

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

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