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ubuntucveUbuntu.comUB:CVE-2024-4769
HistoryMay 14, 2024 - 12:00 a.m.

CVE-2024-4769

2024-05-1400:00:00
ubuntu.com
ubuntu.com
3
web workers
firefox
thunderbird
cross-origin
information disclosure

5.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

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.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap starting with Ubuntu 24.04, the thunderbird package is just a script that installs the Thunderbird snap