Firefox ESR: Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited…
CVE-2019-11756 is fixed in 16 products on 2 platforms, first by firefox 71.0+build5-0ubuntu0.18.04.1, released December 3, 2019. It is not reported as exploited. Patch Radar priority: High.
Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox ESR (en-US) | 78.0esr | Mozilla Firefox ESR (en-US) 78.0esr | Jun 25, 2020 |
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox-geckodriver 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox-geckodriver 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox-mozsymbols 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox-mozsymbols 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| nspr · RHEL 8 | 0:4.25.0-2.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nspr · ol 8 | 0:4.25.0-2.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nspr-devel · RHEL 8 | 0:4.25.0-2.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nspr-devel · ol 8 | 0:4.25.0-2.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-devel · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-devel · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-softokn · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-softokn · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-softokn-devel · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-softokn-devel · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-softokn-freebl · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-softokn-freebl · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-softokn-freebl-devel · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-softokn-freebl-devel · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-sysinit · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-sysinit · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-tools · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-tools · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-util · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-util · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
| nss-util-devel · RHEL 8 | 0:3.53.1-11.el8_2 | RHSA-2020:3280 | Aug 3, 2020 |
| nss-util-devel · ol 8 | 0:3.53.1-11.el8_2 | ELSA-2020-3280 | Aug 4, 2020 |
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