CVE-2026-0885

MEDIUM
2026-01-13 [email protected]
6.5
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:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

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 6.5

Tags

Use After Free Thunderbird Firefox Redhat Suse

Description

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

Analysis

Memory corruption in Firefox and Thunderbird's JavaScript garbage collection engine allows remote attackers to crash the application or potentially leak sensitive information without user interaction. The vulnerability affects Firefox versions below 147, Firefox ESR below 140.7, Thunderbird below 147, and Thunderbird ESR below 140.7, with no patch currently available.

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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

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

Vendor Status

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CVE-2026-0885 vulnerability details – vuln.today
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