CVE-2024-38535

Suricata http2: oom from duplicate headers

HIGH
7.5
CVSS Score
Published: July 11, 2024 at 02:50 PM UTC
Updated: June 17, 2026 at 07:40 AM UTC
1 product affected across 1 vendorSuricata

Using suricata by OISF?

Get instant alerts when new vulnerabilities affect suricata - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Suricata can run out of memory when parsing crafted HTTP/2 traffic. Upgrade to 6.0.20 or 7.0.6.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.0.20v < 7.0.67.0.0 ≤ v < 7.0.67.0.0
Affected range stops below 6.0.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.6, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card