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CVE-2020-15667 When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap…
Description
When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key. This vulnerability affects Firefox < 80.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 80 | earliest → < 80 | 80 |
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