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CVE-2023-4045 Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from…
Description
Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 116 | earliest → < 116 | 116 |
| Firefox ESR 115.1 | earliest → < 115.1 | 115.1 |
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