Vulnerability Identifier
CVE-2025-13151
2026-01-07
Severity Assessment
7.5
HIGH
CVSS v3.x Score
Clinical Analysis (Description)
Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.
Vector Sequencing
Attack Parameters
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences
Technical Impact
Unchanged
Scope
None
Confidentiality
None
Integrity
High
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
Time Line
PUBLICATION
07 Jan 2026
MODIFICATION
08 Jan 2026
FIRST PATCH
12 Jan 2026
Impact Statistics
Key Metrics
CVSS Score
7.5
HIGH
Patches
1
Available
Remediation Protocol
Recommended Solution
No automatic solution found. Check vendor references.
Patch Library
Recommended Actions for Administrators
Immediate Action Plan
1. Inventory
Identify all affected systems in your infrastructure.
2. Assessment
Assess exposure and criticality for your organization.
3. Mitigation
Apply patches or available workarounds.
4. Verification
Test and confirm effectiveness of applied measures.
Sources & Bibliography