CVE-2024-1549

MEDIUM

Firefox < 123 and ESR < 115.8 - Permission Dialog Spoofing via Large Custom Cursor

Title source: llm

Description

If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

References (6)

Core 6

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1833814

Mailing List

https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html

Mailing List

https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-05/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-06/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-07/

Scores

CVSS v3 6.1

EPSS 0.0034

EPSS Percentile 56.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (4)

debian/debian_linux 10.0

mozilla/firefox < 115.8.0

mozilla/firefox < 123.0

mozilla/thunderbird < 115.8.0

Published Feb 20, 2024

Tracked Since Feb 18, 2026