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CVE-2022-45403

Date: December 22, 2022

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.

Language: C++

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2022-45403
https://access.redhat.com/security/cve/CVE-2022-45403
https://www.mozilla.org/security/advisories/mfsa2022-49/
https://bugzilla.mozilla.org/show_bug.cgi?id=1762078
https://www.mozilla.org/security/advisories/mfsa2022-48/
https://www.mozilla.org/security/advisories/mfsa2022-47/
https://security-tracker.debian.org/tracker/CVE-2022-45403
https://www.mend.io/vulnerability-database/CVE-2022-45403

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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