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VULNERABILITIES

CVE-2026-119600 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/simsong/tcpflow [email protected]
https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L747 [email protected]
https://github.com/simsong/tcpflow/blob/tcpflow-1.6.1/src/tcpdemux.cpp#L781 [email protected]
https://github.com/simsong/tcpflow/issues/279 [email protected]
https://hackmd.io/@haindpwn/tcpflow-ip-payload-length-oob-read [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-130Improper Handling of Length Parameter Inconsistency[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-119600
NVD Published Date:
Oct 30, 2026
NVD Last Modified:
Nov 4, 2026
Source:
[email protected]
CVE-2026-119600 Details - Not Deferred