CVE-2025-9184 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox
CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer11 documents8 sources
Severity
8.1HIGHNVD
EPSS
0.1%
top 79.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 19
Latest updateFeb 2
Description
Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9