CVE-2026-0883
MEDIUM
2026-01-13
[email protected]
5.3
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Lifecycle Timeline
3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 14:16 nvd
MEDIUM 5.3
Description
Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Analysis
The Networking component in Firefox and Thunderbird discloses sensitive information to unauthenticated remote attackers over the network. Affected versions include Firefox below 147, Firefox ESR below 140.7, Thunderbird below 147, and Thunderbird ESR below 140.7. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.
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Priority Score
27
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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