CVE-2021-32567

HIGH

Apache Traffic Server 7.0.0-7.1.12 8.0.0-8.1.1 9.0.0-9.0.1 - Denial of Service via HTTP/2 Input Validation

Title source: llm

Description

Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

References (2)

Core 2

Core References

Mailing List, Vendor Advisory x_refsource_misc

https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2021/dsa-4957

Scores

CVSS v3 7.5

EPSS 0.0793

EPSS Percentile 92.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (2)

apache/traffic_server 7.0.0 - 7.1.12

debian/debian_linux 10.0

Published Jun 30, 2021

Tracked Since Feb 18, 2026