# CVE-2019-11745: nss-softokn-freebl-devel: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-...

CVE-2019-11745 is fixed in 21 products on 1 platform, first by libnss3 2:3.35-2ubuntu2.5, released November 24, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-11745
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0299
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 24, 2019

## Description

Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.  Security Fix(es):  * nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate (CVE-2019-11745)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | [firefox 71.0+build5-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-71.0-build5-0ubuntu0.18.04.1.md) | Dec 3, 2019 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | [firefox-geckodriver 71.0+build5-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-71.0-build5-0ubuntu0.18.04.1.md) | Dec 3, 2019 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | [firefox-mozsymbols 71.0+build5-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-71.0-build5-0ubuntu0.18.04.1.md) | Dec 3, 2019 |
| Linux | libnss3 Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.5 | [libnss3 2:3.35-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-2-3.35-2ubuntu2.5.md) | Nov 24, 2019 |
| Linux | libnss3-tools Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.5 | [libnss3-tools 2:3.35-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-tools-2-3.35-2ubuntu2.5.md) | Nov 24, 2019 |
| Linux | nss RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-devel RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-devel ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-devel RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-devel ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-freebl RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-freebl ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-freebl-devel RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-softokn-freebl-devel ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-sysinit RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-sysinit ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-tools RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-tools ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-util RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-util ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-util-devel RHEL 8 | 0:3.44.0-9.el8_1 | [RHSA-2019:4114](https://patchblox.com/security/data/fix/linux/rhsa-2019-4114.md) | Dec 9, 2019 |
| Linux | nss-util-devel ol 8 | 0:3.44.0-9.el8_1 | [ELSA-2019-4114](https://patchblox.com/security/data/fix/linux/elsa-2019-4114.md) | Dec 9, 2019 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:68.4.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-68.4.1-build1-0ubuntu0.18.04.1.md) | Jan 8, 2020 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.