# RHSA-2020:2379: firefox security update

RHSA-2020:2379, released June 3, 2020, fixes 3 CVEs in firefox (version 0:68.9.0-1.el8_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-2379
- Platform: Linux
- Released: Jun 3, 2020
- Priority: High (Closes CVE-2020-12410, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:2379

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | RHEL 8 | 0:68.9.0-1.el8_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-12410](https://patchblox.com/security/data/cve/CVE-2020-12410.md) | High | Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. | 8.8 | 0.0173 |  |
| [CVE-2020-12406](https://patchblox.com/security/data/cve/CVE-2020-12406.md) | High | Firefox ESR: Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting… | 8.8 | 0.0102 |  |
| [CVE-2020-12405](https://patchblox.com/security/data/cve/CVE-2020-12405.md) | Routine | Firefox ESR: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a… | 5.3 | 0.0135 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo