CVE-2025-11964

1.9 lowEPSS 0.1%

Low (1.9). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

1.9 low

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2025-12-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69

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