# RHSA-2019:2663: firefox security update

RHSA-2019:2663, released September 4, 2019, fixes 14 CVEs in firefox (version 0:68.1.0-1.el8_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2019-2663
- Platform: Linux
- Released: Sep 4, 2019
- Priority: High (Closes CVE-2019-11752, high severity)
- CVEs: 14, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2019:2663

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | RHEL 8 | 0:68.1.0-1.el8_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-11752](https://patchblox.com/security/data/cve/CVE-2019-11752.md) | High | Firefox ESR: It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. | 8.8 | 0.0218 |  |
| [CVE-2019-11746](https://patchblox.com/security/data/cve/CVE-2019-11746.md) | High | Firefox ESR: A use-after-free vulnerability can occur while manipulating video elements if the body is freed while… | 8.8 | 0.0171 |  |
| [CVE-2019-11740](https://patchblox.com/security/data/cve/CVE-2019-11740.md) | High | Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR… | 9.8 | 0.0164 |  |
| [CVE-2019-9812](https://patchblox.com/security/data/cve/CVE-2019-9812.md) | High | Firefox ESR: Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape… | 9.3 | 0.0151 |  |
| [CVE-2019-11733](https://patchblox.com/security/data/cve/CVE-2019-11733.md) | High | firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This... | 9.8 | 0.0141 |  |
| [CVE-2019-11735](https://patchblox.com/security/data/cve/CVE-2019-11735.md) | High | Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 68 and Firefox… | 9.8 | 0.0118 |  |
| [CVE-2019-11743](https://patchblox.com/security/data/cve/CVE-2019-11743.md) | Routine | Firefox ESR: Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification… | 3.7 | 0.0180 |  |
| [CVE-2019-11742](https://patchblox.com/security/data/cve/CVE-2019-11742.md) | Routine | Firefox ESR: A same-origin policy violation occurs allowing the theft of cross-origin images through a combination… | 6.5 | 0.0169 |  |
| [CVE-2019-11744](https://patchblox.com/security/data/cve/CVE-2019-11744.md) | Routine | Firefox ESR: Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without… | 6.1 | 0.0145 |  |
| [CVE-2019-11738](https://patchblox.com/security/data/cve/CVE-2019-11738.md) | Routine | Firefox ESR: If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the… | 6.3 | 0.0145 |  |
| [CVE-2019-11750](https://patchblox.com/security/data/cve/CVE-2019-11750.md) | Routine | Firefox ESR: A type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash. | 6.5 | 0.0126 |  |
| [CVE-2019-11747](https://patchblox.com/security/data/cve/CVE-2019-11747.md) | Routine | Firefox ESR: The "Forget about this site" feature in the History pane is intended to remove all saved user data that… | 6.5 | 0.0119 |  |
| [CVE-2019-11748](https://patchblox.com/security/data/cve/CVE-2019-11748.md) | Routine | Firefox ESR: WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera… | 6.5 | 0.0103 |  |
| [CVE-2019-11749](https://patchblox.com/security/data/cve/CVE-2019-11749.md) | Routine | Firefox ESR: A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia… | 4.3 | 0.0090 |  |

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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