Not rated
CVE-2017-5448 An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content
Description
An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 52.1 | earliest → < 52.1 | 52.1 |
| Firefox ESR 45.9 | earliest → < 45.9 | 45.9 |
| Firefox 53 | earliest → < 53 | 53 |
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