# RHSA-2019:2774: thunderbird security update

RHSA-2019:2774, released September 16, 2019, fixes 7 CVEs in thunderbird (version 0:60.9.0-2.el8_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2019-2774
- Platform: Linux
- Released: Sep 16, 2019
- Priority: High (Closes CVE-2019-11752, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2019:2774

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 8 | 0:60.9.0-2.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-2019-11743](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-2019-11739](https://patchblox.com/security/data/cve/CVE-2019-11739.md) | Routine | thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.  This update upgrades Thunderbird to version 60.9.0.... | 6.5 | 0.0091 |  |

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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