Issued:
2021-07-15
Updated:
2021-07-15

RHSA-2021:2758 - Important: nettle security update

Synopsis

Important: nettle security update

Type/Severity

Security Advisory Important

Topic

An update for nettle is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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.

Security Fix(es):

  • nettle: Out of bounds memory access in signature verification (CVE-2021-20305)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions7.4x86_64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions7.4ppc64le
Red Hat Enterprise Linux Server - TUS7.4x86_64
Red Hat Enterprise Linux Server - AUS7.4x86_64

Updated Packages

  • nettle-2.7.1-9.el7_4.src.rpm
  • nettle-2.7.1-9.el7_4.i686.rpm
  • nettle-devel-2.7.1-9.el7_4.i686.rpm
  • nettle-2.7.1-9.el7_4.x86_64.rpm
  • nettle-devel-2.7.1-9.el7_4.x86_64.rpm
  • nettle-devel-2.7.1-9.el7_4.ppc64le.rpm
  • nettle-debuginfo-2.7.1-9.el7_4.ppc64le.rpm
  • nettle-debuginfo-2.7.1-9.el7_4.x86_64.rpm
  • nettle-2.7.1-9.el7_4.ppc64le.rpm
  • nettle-debuginfo-2.7.1-9.el7_4.i686.rpm

Fixes

CVEs

References

Additional information