How many CVEs have patched SetupNonPrefilter?

3 published CVEs changed SetupNonPrefilter in OISF/suricata, in 4 distinct patches totalling 23 changed lines, between 2026 and 2026.

What is the latest CVE that changed SetupNonPrefilter?

CVE-2026-63446 (Suricata app-layer: passed flows can retain transactions, causing resource exhaustion), published 2026-09-18, changed lines 953 to 1112 of src/detect-engine-prefilter.c.

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

OISF/suricata has 65 CVEs with a located fix in total; 3 of them changed SetupNonPrefilter.

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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OISF/suricata

Function

SetupNonPrefilter

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

src/detect-engine-prefilter.c

Last patched September 18, 2026

3

CVEs

That changed this function

4

Distinct patches

Backports counted once

23

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

SetupNonPrefilter in OISF/suricata was changed by 3 published CVE fixes in 2026, in 4 distinct patches that added or removed 23 lines in total.

OISF/suricata has 65 CVEs with a located fix in total, so 5% of them touched this function.

CVEs that patched it

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

Suricata app-layer: passed flows can retain transactions, causing resource exhaustion
CVE-2026-63446 · lines 953–1112 · +6 −5 in 3 hunks
High · CVSS 7.5
EPSS 0.7%2026-09-18
Suricata detect: frame rules without content and with transform can cause heap buffer overflow during rule load
CVE-2026-63451 · lines 1025–1030 · +6 −0
Medium · CVSS 5.5
EPSS 0.1%2026-09-18
Suricata sip: large SIP message bodies can evade detection with frame keyword
CVE-2026-63449 · lines 1024–1029 · +6 −0
Medium · CVSS 5.3
EPSS 0.2%2026-09-18

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Other functions in these files

Functions in the same file that CVE fixes also changed.

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 StreamTcpPacket3 CVEs · src/stream-tcp.c FileSwfDecompression3 CVEs · src/util-file-decompression.c SMTPProcessRequest2 CVEs · src/app-layer-smtp.c CmpFlowKey2 CVEs · src/flow-hash.c

All patched functions in OISF/suricata

Frequently asked questions

Common questions about CVE fixes to SetupNonPrefilter.

How many CVEs have patched SetupNonPrefilter?: 3 published CVEs changed SetupNonPrefilter in OISF/suricata, in 4 distinct patches totalling 23 changed lines, between 2026 and 2026.
What is the latest CVE that changed SetupNonPrefilter?: CVE-2026-63446 (Suricata app-layer: passed flows can retain transactions, causing resource exhaustion), published 2026-09-18, changed lines 953 to 1112 of src/detect-engine-prefilter.c.
How does SetupNonPrefilter compare to the rest of OISF/suricata?: OISF/suricata has 65 CVEs with a located fix in total; 3 of them changed SetupNonPrefilter.
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

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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