CVE-2026-0883 - Vulnerability Details - OpenCVE

Information disclosure in the Networking component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1989340
https://www.mozilla.org/security/advisories/mfsa2026-01/
https://www.mozilla.org/security/advisories/mfsa2026-03/

History

Tue, 13 Jan 2026 16:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-200
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 13 Jan 2026 14:00:00 +0000

Type	Values Removed	Values Added
Description		Information disclosure in the Networking component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7.
Title		Information disclosure in the Networking component
References		https://bugzilla.mozilla.org/show_bug.cgi?id=1989340 https://www.mozilla.org/security/advisories/mfsa2026-01/ https://www.mozilla.org/security/advisories/mfsa2026-03/

Projects

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MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-01-13T13:30:56.043Z

Updated: 2026-01-13T15:47:56.126Z

Reserved: 2026-01-13T13:30:55.877Z

Link: CVE-2026-0883

Vulnrichment

Updated: 2026-01-13T15:47:29.531Z

NVD

Status : Received

Published: 2026-01-13T14:16:38.853

Modified: 2026-01-13T16:16:11.633

Link: CVE-2026-0883

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

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