CVE-2026-0886

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

Tags

Industrial Thunderbird Firefox Redhat Suse

Description

Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

Analysis

Improper boundary validation in the Graphics component of Firefox, Firefox ESR, and Thunderbird allows unauthenticated remote attackers to cause limited information disclosure over the network without user interaction. Affected versions include Firefox before 147, Firefox ESR before 115.32 and 140.7, and Thunderbird before 147 and 140.7. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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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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CVE-2026-0886 vulnerability details – vuln.today
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