Resource exhaustion in N/a
CVE-2019-9515
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.878 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- N/a — versions n/a
Weakness classification (CWE)
References
- VU#605641 (third-party-advisory, x_refsource_CERT-VN)
- github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-0… (x_refsource_MISC)
- [trafficserver-dev] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks (mailing-list, x_refsource_MLIST)
- [trafficserver-users] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks (mailing-list, x_refsource_MLIST)
- [trafficserver-announce] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks (mailing-list, x_refsource_MLIST)
- 20190814 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0 (mailing-list, x_refsource_BUGTRAQ)
- 20190816 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0 (mailing-list, x_refsource_FULLDISC)
- www.synology.com/security/advisory/Synology_SA_19_33 (x_refsource_CONFIRM)
- support.f5.com/csp/article/K50233772 (x_refsource_CONFIRM)
- security.netapp.com/advisory/ntap-20190823-0005/ (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2019-9515?
- CVE-2019-9515 is a high-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-08-13.
- How severe is CVE-2019-9515?
- High severity. CVSS v3 base score is 7.5 out of 10.