# CVE-2020-25648: nss-softokn-devel: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-... CVE-2020-25648 is fixed in 14 products on 1 platform, first by libnss3 2:3.35-2ubuntu2.14, released October 20, 2020. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2020-25648 - Priority: High - CVSS: 7.5 (Moderate) - EPSS: 0.0351 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Oct 20, 2020 ## Description 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) ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libnss3 Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.14 | [libnss3 2:3.35-2ubuntu2.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-2-3.35-2ubuntu2.14.md) | Oct 20, 2020 | | Linux | libnss3 Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.7 | [libnss3 2:3.49.1-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnss3-2-3.49.1-1ubuntu1.7.md) | Oct 20, 2020 | | Linux | libnss3-tools Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.14 | [libnss3-tools 2:3.35-2ubuntu2.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-tools-2-3.35-2ubuntu2.14.md) | Oct 20, 2020 | | Linux | libnss3-tools Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.7 | [libnss3-tools 2:3.49.1-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnss3-tools-2-3.49.1-1ubuntu1.7.md) | Oct 20, 2020 | | Linux | nspr RHEL 8 | 0:4.32.0-1.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nspr ol 8 | 0:4.32.0-1.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nspr-devel RHEL 8 | 0:4.32.0-1.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nspr-devel ol 8 | 0:4.32.0-1.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-devel RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-devel ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-devel RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-devel ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-freebl RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-freebl ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-freebl-devel RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-softokn-freebl-devel ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-sysinit RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-sysinit ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-tools RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-tools ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-util RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-util ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-util-devel RHEL 8 | 0:3.67.0-6.el8_4 | [RHSA-2021:3572](https://patchblox.com/security/data/fix/linux/rhsa-2021-3572.md) | Sep 21, 2021 | | Linux | nss-util-devel ol 8 | 0:3.67.0-6.el8_4 | [ELSA-2021-3572](https://patchblox.com/security/data/fix/linux/elsa-2021-3572.md) | Sep 21, 2021 | --- Data as of 2026-11-08T19:12:23Z UTC. 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