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ALSA-2021:3572 Not scored

Moderate: nss and nspr security, bug fix, and enhancement update

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). (BZ#1967980) 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 (BZ#1977412) * NSS cannot use SQL databases created by specific versions of NSS (BZ#1978443) * Inconsistent handling of malformed CertificateRequest messages (BZ#1980050) Enhancement(s): * [IBM 8.5 FEAT] [P10] POWER10 performance enhancements for cryptography: NSS FreeBL (BZ#1978257)

Exploit probability Not scored
Published September 21, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 nspr
AlmaLinux:8 nspr-devel
AlmaLinux:8 nss
AlmaLinux:8 nss-devel
AlmaLinux:8 nss-softokn
AlmaLinux:8 nss-softokn-devel
AlmaLinux:8 nss-softokn-freebl
AlmaLinux:8 nss-softokn-freebl-devel
AlmaLinux:8 nss-sysinit
AlmaLinux:8 nss-tools
AlmaLinux:8 nss-util
AlmaLinux:8 nss-util-devel

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2021:3572

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). (BZ#1967980) 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 (BZ#1977412) * NSS cannot use SQL databases created by specific versions of NSS (BZ#1978443) * Inconsistent handling of malformed CertificateRequest messages (BZ#1980050) Enhancement(s): * [IBM 8.5 FEAT] [P10] POWER10 performance enhancements for cryptography: NSS FreeBL (BZ#1978257)

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05 / REFERENCES

Further evidence