CVE-2025-11964
December 31, 2025
On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.
Affected Packages
https://github.com/the-tcpdump-group/libpcap.git (GITHUB):
Affected version(s) >=libpcap-0.5.1 <libpcap-1.10.6Fix Suggestion:
Update to version libpcap-1.10.6Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
1.8
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
1.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Out-of-bounds Write
EPSS
Base Score:
0.02
