# CVE-2019-9789: firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 65

CVE-2019-9789 is fixed in 4 products on 1 platform, first by firefox 66.0+build3-0ubuntu0.18.04.1, released March 19, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-9789
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0122
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 19, 2019

## Description

Mozilla developers and community members reported memory safety bugs present in Firefox 65. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 66.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 66.0+build3-0ubuntu0.18.04.1 | [firefox 66.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-66.0-build3-0ubuntu0.18.04.1.md) | Mar 19, 2019 |
| Linux | firefox-globalmenu Ubuntu 18.04.6 LTS (bionic) | 66.0+build3-0ubuntu0.18.04.1 | [firefox-globalmenu 66.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-globalmenu-66.0-build3-0ubuntu0.18.04.1.md) | Mar 19, 2019 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 66.0+build3-0ubuntu0.18.04.1 | [firefox-mozsymbols 66.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-66.0-build3-0ubuntu0.18.04.1.md) | Mar 19, 2019 |
| Linux | firefox-testsuite Ubuntu 18.04.6 LTS (bionic) | 66.0+build3-0ubuntu0.18.04.1 | [firefox-testsuite 66.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-testsuite-66.0-build3-0ubuntu0.18.04.1.md) | Mar 19, 2019 |

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