How many CVEs have patched CmpFlowKey?

2 published CVEs changed CmpFlowKey in OISF/suricata, in 4 distinct patches totalling 8 changed lines, between 2026 and 2026.

What is the latest CVE that changed CmpFlowKey?

CVE-2026-71855 (Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state), published 2026-09-18, changed lines 428 to 430 of src/flow-hash.c.

How does CmpFlowKey compare to the rest of OISF/suricata?

OISF/suricata has 65 CVEs with a located fix in total; 2 of them changed CmpFlowKey.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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CmpFlowKey

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Patched Functions
Oisf
Suricata
CmpFlowKey

CmpFlowKey in OISF/suricata: Patched by 2 CVEs

OISF/suricata

Function

CmpFlowKey

Name: CmpFlowKey in OISF/suricata: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/flow-hash.c

Last patched September 18, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

CmpFlowKey in OISF/suricata was changed by 2 published CVE fixes in 2026, in 4 distinct patches that added or removed 8 lines in total.

OISF/suricata has 65 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed CmpFlowKey, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state
CVE-2026-71855 · lines 428–430 · +3 −1
High · CVSS 7.5
EPSS 0.3%2026-09-18
Suricata dhcp: unbounded transactions in unidirectional traffic can lead to resource exhaustion
CVE-2026-57224 · line 422 · +1 −3
Medium · CVSS 6.5
EPSS 0.4%2026-09-18

Get an alert when the next CVE fix lands in OISF/suricata, with the patched functions.

Monitor suricata CVEs

Other functions in these files

Functions in the same file that CVE fixes also changed.

1CmpFlowPacketsrc/flow-hash.c2 CVEs · 4 patches2026
2FlowCompareESPsrc/flow-hash.c2 CVEs · 4 patches2026
3FlowCompareICMPv4src/flow-hash.c1 CVEs · 3 patches2026
4FlowGetIpPairProtoHashsrc/flow-hash.c1 CVEs · 1 patches2026
5CmpFlowICMPPacketsrc/flow-hash.c1 CVEs · 1 patches2026
6FlowHashIp4Fillsrc/flow-hash.c1 CVEs · 1 patches2026
7CmpLiveDevIdssrc/flow-hash.c1 CVEs · 1 patches2026
8FlowGetHashsrc/flow-hash.c1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in OISF/suricata changed by the most CVE fixes.

StreamTcpPacketStateSynSent3 CVEs · src/stream-tcp.c FTPParseRequest3 CVEs · src/app-layer-ftp.c SetupNonPrefilter3 CVEs · src/detect-engine-prefilter.c StreamTcpPacket3 CVEs · src/stream-tcp.c FileSwfDecompression3 CVEs · src/util-file-decompression.c SMTPProcessRequest2 CVEs · src/app-layer-smtp.c

All patched functions in OISF/suricata

Frequently asked questions

Common questions about CVE fixes to CmpFlowKey.

How many CVEs have patched CmpFlowKey?: 2 published CVEs changed CmpFlowKey in OISF/suricata, in 4 distinct patches totalling 8 changed lines, between 2026 and 2026.
What is the latest CVE that changed CmpFlowKey?: CVE-2026-71855 (Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state), published 2026-09-18, changed lines 428 to 430 of src/flow-hash.c.
How does CmpFlowKey compare to the rest of OISF/suricata?: OISF/suricata has 65 CVEs with a located fix in total; 2 of them changed CmpFlowKey.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

src/flow-hash.c on GitHub (opens in a new tab)
All patched functions in OISF/suricata
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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