CVE-2022-45403
MEDIUMFirefox < 107.0, Firefox ESR < 102.5, Thunderbird < 102.5 - Information Disclosure via Cross-Origin Media Timing
Title source: llmDescription
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.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1762078
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-47/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-48/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-49/
Scores
CVSS v3
6.5
EPSS
0.0019
EPSS Percentile
40.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-203
Status
published
Products (3)
mozilla/firefox
< 107.0
mozilla/firefox_esr
< 102.5
mozilla/thunderbird
< 102.5
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026