RedHat: RHSA-2021-2760:01 Important: nettle security update
Summary
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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2021-20305 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Server AUS (v. 7.3):
Source:
nettle-2.7.1-9.el7_3.src.rpm
x86_64:
nettle-2.7.1-9.el7_3.i686.rpm
nettle-2.7.1-9.el7_3.x86_64.rpm
nettle-debuginfo-2.7.1-9.el7_3.i686.rpm
nettle-debuginfo-2.7.1-9.el7_3.x86_64.rpm
nettle-devel-2.7.1-9.el7_3.i686.rpm
nettle-devel-2.7.1-9.el7_3.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for nettle is now available for Red Hat Enterprise Linux 7.3Advanced Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server AUS (v. 7.3) - x86_64
Bugs Fixed
1942533 - CVE-2021-20305 nettle: Out of bounds memory access in signature verification
