# CVE-2018-18356: thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.  This update upgrades Thunderbird to version 60.6.1

CVE-2018-18356 is fixed in 17 products on 1 platform, first by chromium-browser 71.0.3578.80-0ubuntu0.18.04.1, released December 11, 2018. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-18356
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0328
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 10, 2018

## Description

Mozilla Thunderbird is a standalone mail and newsgroup client.  This update upgrades Thunderbird to version 60.6.1. (BZ#1692449)  Security Fix(es):  * Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6 (CVE-2019-9788)  * Mozilla: Use-after-free when removing in-use DOM elements (CVE-2019-9790)  * Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey (CVE-2019-9791)  * Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script (CVE-2019-9792)  * Mozilla: IonMonkey MArraySlice has incorrect alias information (CVE-2019-9810)  * Mozilla: Ionmonkey type confusion with __proto__ mutations (CVE-2019-9813)  * Mozilla: Improper bounds checks when Spectre mitigations are disabled (CVE-2019-9793)  * Mozilla: Type-confusion in IonMonkey JIT compiler (CVE-2019-9795)  * Mozilla: Use-after-free with SMIL animation controller (CVE-2019-9796)  * Mozilla: Proxy Auto-Configuration file can define localhost access to be proxied (CVE-2018-18506)  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 | chromium-browser Ubuntu 18.04.6 LTS (bionic) | 71.0.3578.80-0ubuntu0.18.04.1 | [chromium-browser 71.0.3578.80-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-71.0.3578.80-0ubuntu0.18.04.1.md) | Dec 11, 2018 |
| Linux | chromium-browser-l10n Ubuntu 18.04.6 LTS (bionic) | 71.0.3578.80-0ubuntu0.18.04.1 | [chromium-browser-l10n 71.0.3578.80-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-l10n-71.0.3578.80-0ubuntu0.18.04.1.md) | Dec 11, 2018 |
| Linux | chromium-chromedriver Ubuntu 18.04.6 LTS (bionic) | 71.0.3578.80-0ubuntu0.18.04.1 | [chromium-chromedriver 71.0.3578.80-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-chromedriver-71.0.3578.80-0ubuntu0.18.04.1.md) | Dec 11, 2018 |
| Linux | chromium-codecs-ffmpeg Ubuntu 18.04.6 LTS (bionic) | 71.0.3578.80-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg 71.0.3578.80-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-71.0.3578.80-0ubuntu0.18.04.1.md) | Dec 11, 2018 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 18.04.6 LTS (bionic) | 71.0.3578.80-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg-extra 71.0.3578.80-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-71.0.3578.80-0ubuntu0.18.04.1.md) | Dec 11, 2018 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 65.0.1+build2-0ubuntu0.18.04.1 | [firefox 65.0.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-65.0.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | firefox-globalmenu Ubuntu 18.04.6 LTS (bionic) | 65.0.1+build2-0ubuntu0.18.04.1 | [firefox-globalmenu 65.0.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-globalmenu-65.0.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 65.0.1+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 65.0.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-65.0.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | firefox-testsuite Ubuntu 18.04.6 LTS (bionic) | 65.0.1+build2-0ubuntu0.18.04.1 | [firefox-testsuite 65.0.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-testsuite-65.0.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | thunderbird RHEL 8 | 0:60.6.1-1.el8 | [RHSA-2019:1144](https://patchblox.com/security/data/fix/linux/rhsa-2019-1144.md) | May 13, 2019 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [thunderbird 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | thunderbird-globalmenu Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [thunderbird-globalmenu 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | thunderbird-testsuite Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [thunderbird-testsuite 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-testsuite-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:60.5.1+build2-0ubuntu0.18.04.1 | [xul-ext-lightning 1:60.5.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-60.5.1-build2-0ubuntu0.18.04.1.md) | Feb 13, 2019 |

---

Data as of 2026-11-07T12:40:37Z 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

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
