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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade librewolfUpgrade firefox | Aug 22, 2024 | Oct 1, 2020 |
| Mfsa2020 36 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 80.0 | Aug 26, 2020 | Aug 25, 2020 |
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