Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
Published 2024-10-01 15:13:21
Updated 2024-10-04 13:51:26
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2024-9402

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Exploit prediction scoring system (EPSS) score for CVE-2024-9402

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2024-9402

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-10-01

CWE ids for CVE-2024-9402

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
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