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CVE-2018-12379 When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be…
Description
When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 62 | earliest → < 62 | 62 |
| Firefox ESR 60.2 | earliest → < 60.2 | 60.2 |
| Thunderbird 60.2 | earliest → < 60.2.1 | 60.2.1 |