# CVE-2020-15669: firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This...

CVE-2020-15669 is fixed in 7 products on 1 platform, first by RHSA-2020:3557, released August 26, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-15669
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0112
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 26, 2020

## Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This update upgrades Firefox to version 78.2.0 ESR.  Security Fix(es):  * Mozilla: Attacker-induced prompt for extension installation (CVE-2020-15664)  * Mozilla: Use-After-Free when aborting an operation (CVE-2020-15669)  * Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer (CVE-2020-12422)  * Mozilla: X-Frame-Options bypass using object or embed tags (CVE-2020-15648)  * Mozilla: Bypassing iframe sandbox when allowing popups (CVE-2020-15653)  * Mozilla: Type confusion for special arguments in IonMonkey (CVE-2020-15656)  * Mozilla: WebRTC permission prompt could have been bypassed by a compromised content process (CVE-2020-12424)  * Mozilla: Out of bound read in Date.parse() (CVE-2020-12425)  * Mozilla: Custom cursor can overlay user interface (CVE-2020-15654)  * Mozilla: Overriding file type when saving to disk (CVE-2020-15658)  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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox RHEL 8 | 0:78.2.0-2.el8_2 | [RHSA-2020:3557](https://patchblox.com/security/data/fix/linux/rhsa-2020-3557.md) | Aug 26, 2020 |
| Linux | firefox ol 8 | 0:78.2.0-2.0.1.el8_2 | [ELSA-2020-3557](https://patchblox.com/security/data/fix/linux/elsa-2020-3557.md) | Aug 28, 2020 |
| Linux | thunderbird RHEL 8 | 0:68.12.0-1.el8_2 | [RHSA-2020:3634](https://patchblox.com/security/data/fix/linux/rhsa-2020-3634.md) | Sep 7, 2020 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | thunderbird ol 8 | 0:68.12.0-1.0.1.el8_2 | [ELSA-2020-3634](https://patchblox.com/security/data/fix/linux/elsa-2020-3634.md) | Sep 8, 2020 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |

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