PT-2024-5827 · Mozilla+10 · Thunderbird+12
Nils Bars
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Published
2024-08-06
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Updated
2025-03-14
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CVE-2024-7521
CVSS v2.0
10
Critical
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 129
Firefox ESR versions prior to 115.14
Firefox ESR versions prior to 128.1
Thunderbird versions prior to 128.1
Thunderbird versions prior to 115.14
Description
The issue is related to incomplete WebAssembly exception handling, which could lead to a use-after-free. This allows an attacker to potentially execute arbitrary code. No information is provided about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.
Recommendations
For Firefox versions prior to 129, update to version 129 or later.
For Firefox ESR versions prior to 115.14, update to version 115.14 or later.
For Firefox ESR versions prior to 128.1, update to version 128.1 or later.
For Thunderbird versions prior to 128.1, update to version 128.1 or later.
For Thunderbird versions prior to 115.14, update to version 115.14 or later.
Fix
Improper Handling of Exceptional Conditions
Use After Free
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu