CVE-2025-11964
OOBW in utf_16le_to_utf_8_truncated() in libpcap
- State
- Published
- Severity
- 1.9 Low
- Published
- Dec 31, 2025
- Updated
- Jan 2, 2026
- Reserved
- Oct 20, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 1.9 Low | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N | Tcpdump |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
libpcapThe Tcpdump Group |
|
References
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