7.5

CVE-2024-38536: oisf suricata NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2024-38536DEBIAN-CVE-2024-38536
Published 11-07-2024Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2024-38536 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in oisf suricata. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2024-0306OPENSUSE-SU-2025:15394-1

Timeline

  1. 11-07-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to `http.memcap` being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (redmine.openinfosecfoundation.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • suricata< 1:7.0.6-1
Oisf1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 3 products

References

6 links