Heap Buffer Overflow in tcpliveplay Utility of tcpreplay by AppNeta
CVE-2025-51005

7.5HIGH

Key Information:

Vendor

AppNeta

Status
tcpreplay
Vendor
CVE Published:
23 September 2025

What is CVE-2025-51005?

A heap buffer overflow vulnerability has been identified in the tcpliveplay utility of AppNeta's tcpreplay version 4.5.1. When processing a specially crafted pcap file, the application mishandles memory during the checksum calculation, particularly in the 'do_checksum_math_liveplay' function within 'tcpliveplay.c'. This flaw could lead to a potential denial of service, affecting the stability and reliability of the application.

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References

https://github.com/appneta/tcpreplay/issues/925
https://github.com/sy460129/CVE-2025-51005

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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