CVE-2025-1414 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer Overflow7 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 47.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedFeb 18

Description

Memory safety bugs present in Firefox 135. 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 135.0.1.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LExploitability: 3.9 | Impact: 2.5

Affected Packages2 packages

▶NVDmozilla/firefox< 135.0.1
▶Ubuntumozilla/firefox< 136.0+build3-0ubuntu0.20.04.1

🔴Vulnerability Details

3
OSV
CVE-2025-1414: Memory safety bugs present in Firefox 135↗2025-02-18
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CVEList
Memory safety bugs fixed in Firefox 135.0.1↗2025-02-18
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GHSA
GHSA-p5jc-239c-pvvf: Memory safety bugs present in Firefox 135↗2025-02-18
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📋Vendor Advisories

3
Red Hat
firefox: Memory safety bugs fixed in Firefox 135.0.1↗2025-02-18
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Debian
CVE-2025-1414: firefox - Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of...↗2025
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Mozilla
Mozilla Foundation Security Advisory 2025-12: CVE-2025-1414↗
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CVE-2025-1414 — Out-of-bounds Write in Mozilla Firefox | cvebase