CVE-2026-59173 json
Apache Traffic Server: DoS vulnerability in HTTP/2 via stalled flow-control conditions
published 2026-07-18 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-45376
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- apache traffic_server 9.2.14, 10.1.3
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Apache Software Foundation Apache Traffic Server
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
lists.apache.org
/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhd
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/07/17/5
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-59173
- NVD CVE-2026-59173
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.