A gnutls and nettle security, bug fix, and enhancement update has been released for AlmaLinux.

ALSA-2021:4451 Moderate: gnutls and nettle security, bug fix, and enhancement update

Type:
security

Severity:
moderate

Release date:
2021-11-12

Description
Nettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like LSH or GNUPG, or even in kernel space.
The following packages have been upgraded to a later upstream version: gnutls (3.6.16). (BZ#1956783)
Security Fix(es):
* nettle: Remote crash in RSA decryption via manipulated ciphertext (CVE-2021-3580)
* gnutls: Use after free in client key_share extension (CVE-2021-20231)
* gnutls: Use after free in client_send_params in lib/ext/pre_shared_key.c (CVE-2021-20232)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

References:
CVE-2021-3580
CVE-2021-20231
CVE-2021-20232

Updates packages:
gnutls-3.6.16-4.el8.i686.rpm
gnutls-3.6.16-4.el8.x86_64.rpm
gnutls-c++-3.6.16-4.el8.i686.rpm
gnutls-c++-3.6.16-4.el8.x86_64.rpm
gnutls-dane-3.6.16-4.el8.i686.rpm
gnutls-dane-3.6.16-4.el8.x86_64.rpm
gnutls-devel-3.6.16-4.el8.i686.rpm
gnutls-devel-3.6.16-4.el8.x86_64.rpm
gnutls-utils-3.6.16-4.el8.x86_64.rpm
nettle-3.4.1-7.el8.i686.rpm
nettle-3.4.1-7.el8.x86_64.rpm
nettle-devel-3.4.1-7.el8.i686.rpm
nettle-devel-3.4.1-7.el8.x86_64.rpm

Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

  ALSA-2021:4451 Moderate: gnutls and nettle security, bug fix, and enhancement update