Resource management error in Apache Traffic Server - CVE-2021-32567

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Main Vulnerability Database Vulnerabilities #VU54463

Resource management error in Apache Traffic Server - CVE-2021-32567

Published: June 30, 2021


Vulnerability identifier: #VU54463
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32567
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when processing HTTP/2 frames. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Affected software

Apache Traffic Server
trafficserver (Debian package)

How to mitigate CVE-2021-32567

Install updates from vendor's website.

Apache Traffic Server - addressed in versions 8.1.2, 9.0.2
trafficserver (Debian package) - update to 8.0.2+ds-1+deb10u5

External References

Related Security Bulletins