CVE-2025-13027 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox
Severity
8.1HIGHNVD
EPSS
0.0%
top 86.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 11
Description
Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 145 and Thunderbird 145.
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
Affected Packages1 packages
🔴Vulnerability Details
3📋Vendor Advisories
4Debian▶
CVE-2025-13027: firefox - Memory safety bugs present in Firefox 144 and Thunderbird 144. Some of these bug...↗2025