6.1
Medium
CVE-2024-1551 Set-Cookie response headers were being incorrectly honored in multipart HTTP responses
Description
Set-Cookie response headers were being incorrectly honored in multipart HTTP responses. If an attacker could control the Content-Type response header, as well as control part of the response body, they could inject Set-Cookie response headers that would have been honored by the browser. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 123 | earliest → < 123 | 123 |
| Firefox ESR 115.8 | earliest → < 115.8 | 115.8 |
| Thunderbird 115.8 | earliest → < 115.8 | 115.8 |
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