CVE-2019-9511

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Score
CVSS 3.1 7.5 High
Status
Modified - cret@cert.org
Published
2019-08-13
Last modified
2024-08-04
Weaknesses
CWE-400, CWE-770

Affected products

References

 
 
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