nspr-4.32.0-1.el8, nss-3.67.0-6.el8

Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.

Netscape Portable Runtime (NSPR) provides platform independence for non-GUI operating system facilities.

The following packages have been upgraded to a later upstream version: nss (3.67.0), nspr (4.32.0).

Security Fix(es):

* nss: TLS 1.3 CCS flood remote DoS Attack (CVE-2020-25648)

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.

Bug Fix(es):

* 8025 error code when creating subCAs
* NSS cannot use SQL databases created by specific versions of NSS
* Inconsistent handling of malformed CertificateRequest messages

Enhancement(s):

* [IBM 8.5 FEAT] [P10] POWER10 performance enhancements for cryptography: NSS FreeBL

CVE-2020-25648
A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.