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Vulnerability IntelligenceCVE-2025-13018

CVE-2025-13018

HIGH8.1

Mitigation bypass in the DOM: Security component

Published Nov 11, 2025

Modified 1 months ago

Fix available

Details

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

145

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

145

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

140.5

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

140.5

References

WEBhttps://bugzilla.mozilla.org/show_bug.cgi?id=1984940 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-13018 WEBhttps://www.mozilla.org/security/advisories/mfsa2025-87/WEBhttps://www.mozilla.org/security/advisories/mfsa2025-88/WEBhttps://www.mozilla.org/security/advisories/mfsa2025-90/WEBhttps://www.mozilla.org/security/advisories/mfsa2025-91/

CVSS Analysis

CVSS v3.1

8.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

8.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Ecosystems(28)

Ubuntu 14.04 LTS Ubuntu 16.04 LTS Ubuntu 18.04 LTS Ubuntu 20.04 LTS Ubuntu 22.04 LTS

Timeline

PublishedNov 11, 2025

ModifiedNov 25, 2025

CVE-2025-13018 | Mondoo Vulnerability Intelligence