# CVE-2018-5144: thunderbird: An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length par...

CVE-2018-5144 is fixed in 8 products on 1 platform, first by thunderbird 1:52.7.0+build1-0ubuntu1, released March 15, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-5144
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0320
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 14, 2018

## Description

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [thunderbird 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | thunderbird-globalmenu Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [thunderbird-globalmenu 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [thunderbird-gnome-support 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [thunderbird-mozsymbols 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | thunderbird-testsuite Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [thunderbird-testsuite 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-testsuite-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [xul-ext-calendar-timezones 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [xul-ext-gdata-provider 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:52.7.0+build1-0ubuntu1 | [xul-ext-lightning 1:52.7.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-52.7.0-build1-0ubuntu1.md) | Mar 15, 2018 |

---

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.