CVE-2025-8035 — 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 Buffer13 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 74.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 22
Latest updateFeb 2
Description
Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages3 packages
🔴Vulnerability Details
3CVEList▶
Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141↗2025-07-22
📋Vendor Advisories
9Debian▶
CVE-2025-8035: firefox - Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefo...↗2025