8.8
High
CVE-2023-25732 When encoding data from an inputStream in xpcom the size of the input being encoded was not correctly calculated…
Description
When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 110 | earliest → < 110 | 110 |
| Thunderbird 102.8 | earliest → < 102.8 | 102.8 |
| Firefox ESR 102.8 | earliest → < 102.8 | 102.8 |
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