Resource exhaustion in Apache Traffic_server
CVE-2019-9518
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HE…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.248 (97.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cret@cert.org (Third Party Advisory, x_refsource_MISC)
- cret@cert.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9518?
- CVE-2019-9518 is a high-severity vulnerability in Apache Traffic_server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-08-13.
- How severe is CVE-2019-9518?
- High severity. CVSS v3 base score is 7.5 out of 10.