How many CVEs have patched HTTP2Transaction?

2 published CVEs changed HTTP2Transaction in OISF/suricata, in 4 distinct patches totalling 3 changed lines, between 2024 and 2026.

What is the latest CVE that changed HTTP2Transaction?

CVE-2026-71418 (Suricata doh2: crafted HTTP/2 DATA frames can cause quadratic CPU consumption), published 2026-09-18, changed lines 487 of rust/src/http2/http2.rs.

How does HTTP2Transaction compare to the rest of OISF/suricata?

OISF/suricata has 65 CVEs with a located fix in total; 2 of them changed HTTP2Transaction.

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

Type

HTTP2Transaction

Name: HTTP2Transaction in OISF/suricata: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

rust/src/http2/http2.rs

Last patched September 18, 2026

2

CVEs

That changed this function

4

Distinct patches

Backports counted once

3

Lines changed

Added plus removed

2024–2026

Years

By CVE publication date

Overview

HTTP2Transaction in OISF/suricata was changed by 2 published CVE fixes between 2024 and 2026, in 4 distinct patches that added or removed 3 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 HTTP2Transaction, newest first, with the lines each fix touched.

Suricata doh2: crafted HTTP/2 DATA frames can cause quadratic CPU consumption
CVE-2026-71418 · line 487 · +1 −0
High · CVSS 7.5
EPSS 0.6%2026-09-18
Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation
CVE-2024-32663 · line 193 · +1 −1
High · CVSS 7.5
EPSS 1.0%2024-05-07

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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 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 HTTP2Transaction.

How many CVEs have patched HTTP2Transaction?: 2 published CVEs changed HTTP2Transaction in OISF/suricata, in 4 distinct patches totalling 3 changed lines, between 2024 and 2026.
What is the latest CVE that changed HTTP2Transaction?: CVE-2026-71418 (Suricata doh2: crafted HTTP/2 DATA frames can cause quadratic CPU consumption), published 2026-09-18, changed lines 487 of rust/src/http2/http2.rs.
How does HTTP2Transaction compare to the rest of OISF/suricata?: OISF/suricata has 65 CVEs with a located fix in total; 2 of them changed HTTP2Transaction.
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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