CVE-2024-4769 — MEDIUM (5.9)

Q: How severe is CVE-2024-4769?

CVE-2024-4769 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2024-4769?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Debian Debian Linux.

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mozilla	Firefox	< 115.11.0
Mozilla	Thunderbird	< 115.11.0
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-351

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1886108Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1886108Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory

FAQ

What is CVE-2024-4769?

CVE-2024-4769 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 i...

How severe is CVE-2024-4769?

CVE-2024-4769 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-4769?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Debian Debian Linux.