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Status published
Low
CVE-2025-11964
OOBW in utf_16le_to_utf_8_truncated() in libpcap
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Aniruddhan Murali
- Noble Saji Mathews
- Mahmoud Alfadel
- Mei Nagappan
- Meng Xu
References
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Affected Vendor
The Tcpdump Group
View all reports →Affected Software
libpcap
Vulnerable Versions:
1.10.0
Timeline
Official Publish:
December 31st, 2025
Last Modified:
January 2nd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N