9.1

CVE-2026-74986

Site isolation issue in the CSS Parsing and Computation component

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerMozilla
≫
Produkt Firefox
Version <= 153.*
Version 153.1
Status unaffected
Version <= *
Version 154
Status unaffected
HerstellerMozilla
≫
Produkt Thunderbird
Version <= 153.*
Version 153.1
Status unaffected
Version <= *
Version 154
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.047
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

https://www.mozilla.org/security/advisories/mfsa2026-74/
https://www.mozilla.org/security/advisories/mfsa2026-77/
https://bugzilla.mozilla.org/show_bug.cgi?id=2060048
https://www.mozilla.org/security/advisories/mfsa2026-78/
https://www.mozilla.org/security/advisories/mfsa2026-80/