CVE-2024-31309

HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server. Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are affected.Users can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases.Users are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.

CVSS v3.1

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

EPSS

94.62% chance of exploitation in the next 30 days, 100th percentile

Published

2024-04-10

Updated

2025-11-04

Proof-of-concept exploits (1)

• lockness-Ko/CVE-2024-27316

References

• CVE Record
• NVD entry

Related

• CVE-2024-2653
• CVE-2024-27316
• CVE-2024-27919
• CVE-2024-28182
• CVE-2024-30255
• CVE-2024-3129