firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This...
CVE-2021-29986 is fixed in 9 products on 1 platform, first by firefox 91.0+build2-0ubuntu0.18.04.1, released August 10, 2021. It is not reported as exploited. Patch Radar priority: High.
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.13.0 ESR. Security Fix(es): * Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980) * Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984) * Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986) * Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988) * Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989) * Mozilla: Use-after-free media channels (CVE-2021-29985) 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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · RHEL 8 | 0:78.13.0-2.el8_4 | RHSA-2021:3157 | Aug 16, 2021 |
| firefox · Ubuntu 18.04.6 LTS (bionic) | 91.0+build2-0ubuntu0.18.04.1 | firefox 91.0+build2-0ubuntu0.18.04.1 | Aug 10, 2021 |
| firefox · Ubuntu 20.04 LTS (focal) | 91.0+build2-0ubuntu0.20.04.1 | firefox 91.0+build2-0ubuntu0.20.04.1 | Aug 10, 2021 |
| firefox · ol 8 | 0:78.13.0-2.0.1.el8_4 | ELSA-2021-3157 | Aug 17, 2021 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 91.0+build2-0ubuntu0.18.04.1 | firefox-geckodriver 91.0+build2-0ubuntu0.18.04.1 | Aug 10, 2021 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 91.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 91.0+build2-0ubuntu0.20.04.1 | Aug 10, 2021 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 91.0+build2-0ubuntu0.18.04.1 | firefox-mozsymbols 91.0+build2-0ubuntu0.18.04.1 | Aug 10, 2021 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 91.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 91.0+build2-0ubuntu0.20.04.1 | Aug 10, 2021 |
| thunderbird · RHEL 8 | 0:78.13.0-1.el8_4 | RHSA-2021:3155 | Aug 16, 2021 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | thunderbird 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | thunderbird 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
| thunderbird · ol 8 | 0:78.13.0-1.0.1.el8_4 | ELSA-2021-3155 | Aug 17, 2021 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | thunderbird-gnome-support 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | thunderbird-mozsymbols 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | xul-ext-calendar-timezones 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | xul-ext-gdata-provider 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:78.13.0+build1-0ubuntu0.18.04.1 | xul-ext-lightning 1:78.13.0+build1-0ubuntu0.18.04.1 | Aug 10, 2021 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:78.13.0+build1-0ubuntu0.20.04.2 | xul-ext-lightning 1:78.13.0+build1-0ubuntu0.20.04.2 | Aug 10, 2021 |
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