CVE-2026-119600
Medium
Description
tcpflow through 1.6.1 contains an out-of-bounds read vulnerability that allows unauthenticated attackers to read process memory by sending packets with forged IP payload lengths. Attackers can inject crafted IPv4 or IPv6 TCP packets into captured traffic or pcap files to leak adjacent memory into reconstructed flow files or crash tcpflow.
SeverityMedium
CVSS4.8
Exploit probability—
ProductSimsong Tcpflow
PublishedOct 30, 2026
First seenNov 4, 2026
Weakness typeCWE-130CWE-130
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| simsong tcpflow | v ≤ 1.6.1 | — |
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