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Description

pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.

PUBLISHED Reserved 2025-10-20 | Published 2025-12-31 | Updated 2025-12-31 | Assigner Tcpdump




LOW: 1.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-126 Buffer Over-read

CWE-122 Heap-based Buffer Overflow

Product status

Default status
unaffected

Any version before 1.10.6
affected

Credits

Jin Wei reporter

Kunwei Qian reporter

Ping Chen reporter

References

github.com/...ommit/b2d2f9a9a0581c40780bde509f7cc715920f1c02 patch

cve.org (CVE-2025-11961)

nvd.nist.gov (CVE-2025-11961)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.