5.9
MEDIUM CVSS 3.1
CVE-2024-4769
Mozilla Firefox Cross-Origin Resource Fingerprinting Leak
Description

When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

INFO

Published Date :

May 14, 2024, 6:15 p.m.

Last Modified :

April 1, 2025, 5:46 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2024-4769 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mozilla firefox
2 Mozilla firefox_esr
3 Mozilla thunderbird
1 Debian debian_linux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Follow the instructions below to mitigate the CVE-2024-4769 vulnerability.
There is no known solution at this time.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-4769 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-4769 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-4769 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-4769 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 01, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* versions up to (excluding) 126.0 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 115.11.0 *cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* versions up to (excluding) 115.11.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added Reference Type CVE: https://bugzilla.mozilla.org/show_bug.cgi?id=1886108 Types: Issue Tracking
    Added Reference Type Mozilla Corporation: https://bugzilla.mozilla.org/show_bug.cgi?id=1886108 Types: Issue Tracking
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html Types: Mailing List
    Added Reference Type Mozilla Corporation: https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html Types: Mailing List
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html Types: Mailing List
    Added Reference Type Mozilla Corporation: https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html Types: Mailing List
    Added Reference Type CVE: https://www.mozilla.org/security/advisories/mfsa2024-21/ Types: Vendor Advisory
    Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-21/ Types: Vendor Advisory
    Added Reference Type CVE: https://www.mozilla.org/security/advisories/mfsa2024-22/ Types: Vendor Advisory
    Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-22/ Types: Vendor Advisory
    Added Reference Type CVE: https://www.mozilla.org/security/advisories/mfsa2024-23/ Types: Vendor Advisory
    Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-23/ Types: Vendor Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1886108
    Added Reference https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
    Added Reference https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
    Added Reference https://www.mozilla.org/security/advisories/mfsa2024-21/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2024-22/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2024-23/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-351
    Added CVSS V3.1 CISA-ADP AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Mozilla Corporation https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html [No types assigned]
    Added Reference Mozilla Corporation https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html [No types assigned]
  • CVE Received by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
    Added Description When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
    Added Reference Mozilla Corporation https://bugzilla.mozilla.org/show_bug.cgi?id=1886108 [No types assigned]
    Added Reference Mozilla Corporation https://www.mozilla.org/security/advisories/mfsa2024-21/ [No types assigned]
    Added Reference Mozilla Corporation https://www.mozilla.org/security/advisories/mfsa2024-22/ [No types assigned]
    Added Reference Mozilla Corporation https://www.mozilla.org/security/advisories/mfsa2024-23/ [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact