CVE-2026-58151

Apache Traffic Server: Abusive HTTP/2 framing can exhaust resources and crash the server

State: Published
Severity: 8.7 High
Published: Jul 29, 2026
Updated: Oct 1, 2026
Reserved: Jun 29, 2026

Description

Apache Traffic Server can be crashed or driven to resource exhaustion by abusive HTTP/2 framing and flow-control.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	apache
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	apache

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
Apache Traffic ServerApache Software Foundation	8.0.0 through 8.1.11Affected 9.0.0 through 9.2.14Affected 10.0.0 through 10.1.3Affected

References

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6dvendor-advisory

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