Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a media file. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
2022-12-22T20:15:41.580
2025-04-15T16:15:20.817
Modified
CVSSv3.1: 6.5 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | < 107.0 | Yes |
Application | mozilla | firefox_esr | < 102.5 | Yes |
Application | mozilla | thunderbird | < 102.5 | Yes |