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Mageia: 2018-0459 Moderate: Nginx HTTP/2 Memory and CPU Threats

mageia
Calendar Grey November 17, 2018
Dist Mageia Esm H88
Mageia has released significant patches for nginx to mitigate memory and CPU concerns linked to HTTP/2 weaknesses recognized back in 2018.
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption (CVE-2018-16843)

Summary

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption (CVE-2018-16843).
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage (CVE-2018-16844).
nginx before versions 1.15.6, 1.14.1 has a vulnerability in the ngx_http_mp4_module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file (CVE-2018-16845).

References

- https://bugs.mageia.org/show_bug.cgi?id=23821

- https://www.cve.org/CVERecord?id=CVE-2018-16843

- https://www.cve.org/CVERecord?id=CVE-2018-16844

- https://www.cve.org/CVERecord?id=CVE-2018-16845

Resolution

SRPMS

- 6/core/nginx-1.10.3-1.2.mga6

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 17 Nov 2018
URL: https://advisories.mageia.org/MGASA-2018-0459.html
Type: security
CVE: CVE-2018-16843, CVE-2018-16844, CVE-2018-16845

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