VulnerabilityAnalyzed

CVE-2026-59173

Uncontrolled Resource Consumption vulnerability in Apache Traffic Server.

HIGH 7.5EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Uncontrolled Resource Consumption vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2. Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.71% probability · 51th percentile
CISA KEV: Not listed
Weakness: CWE-400
Affected: apache/traffic server
Source: security@apache.org

References

https://lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhdMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/17/5Mailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.