Cyber Resilience

CVE-2025-59150

HighPublic PoC

Published: 01 October 2025

Published
01 October 2025
Modified
23 October 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0019 40.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-59150 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Oisf Suricata. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 40.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Version 8.0.0's usage of the tls.subjectaltname keyword can lead to a segmentation fault when the decoded subjectaltname contains a…

more

NULL byte. This issue is fixed in version 8.0.1. To workaround this issue, disable rules using the tls.subjectaltname keyword.

CWE(s)
CWE-476

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
T1685 Disable or Modify Tools Defense Impairment
Adversaries may disable, degrade, or tamper with security tools or applications (e.
attack.mitre.org →
Why these techniques?

CVE-2025-59150 enables remote denial of service via crafted TLS traffic causing segmentation fault in Suricata IDS/IPS (T1499.004: Application or System Exploitation), impairing security tool availability (T1562.001: Disable or Modify Tools).

Affected Assets

oisf
suricata
8.0.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References