Null Pointer Dereference Vulnerability in Apache Traffic Server
CVE-2026-112381

8.2HIGH

Key Information:

Vendor

Apache

Vendor
CVE Published:
21 October 2026

What is CVE-2026-112381?

A null pointer dereference vulnerability exists within Apache Traffic Server that can cause the application to crash. This issue arises when a client sends a POST request that overlaps with a chunked response processing scenario, specifically during a reentrant write-ready callback. This timing-dependent race condition, linked to previous backports from CVE-2021-32564, necessitates immediate upgrades to avoid service interruptions. Users are advised to update to versions 9.2.16, 10.1.5, or 10.2.1 to resolve the issue.

Affected Version(s)

Apache Traffic Server 9.2.15

Apache Traffic Server 10.1.4

Apache Traffic Server 10.2.0

References

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Masaori Koshiba
.