CVE-2026-92070

Information disclosure in the Networking component

State: Published
Severity: 4.3 Medium
Published: Sep 15, 2026
Updated: Sep 22, 2026
Reserved: Sep 15, 2026

Description

Information disclosure in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
FirefoxMozilla	153.3 through 153.*Not affected 156 and laterNot affected
ThunderbirdMozilla	153.3 through 153.*Not affected 156 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2060220
https://www.mozilla.org/security/advisories/mfsa2026-90/
https://www.mozilla.org/security/advisories/mfsa2026-93/
https://www.mozilla.org/security/advisories/mfsa2026-94/
https://www.mozilla.org/security/advisories/mfsa2026-96/

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