CVE-2025-11964 is a low-severity buffer overflow vulnerability affecting libpcap on Windows systems. It occurs when converting specific Windows error messages containing 4-byte UTF-8 characters, potentially leading to data written beyond the allocated buffer. With a CVSS score of 1.9, exploitation requires high privileges and local access, resulting in a low impact on integrity and no impact on confidentiality or availability. There is no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| The Tcpdump Group | Libpcap | >= 1.10.0, < 1.10.6CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.