CVSS v3
7.1
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.
Technical details
- Published
- 2018-09-28
Frequently asked questions
What is CVE-2018-17580?
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.
Is CVE-2018-17580 actively exploited?
Active exploitation of CVE-2018-17580 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-17580?
CVE-2018-17580 has a CVSS v3 base score of 7.1 (HIGH severity).
Is CVE-2018-17580 affecting your environment?
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