CVE-2020-9494

Description

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.08% Top 25%
Vendor Advisory debian.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Traffic Server
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3E vendor advisory mailing list
https://www.debian.org/security/2020/dsa-4710 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2021/03/01/2 not applicable mailing list

Frequently Asked Questions

What is the severity of CVE-2020-9494?
CVE-2020-9494 has been scored as a high severity vulnerability.
How to fix CVE-2020-9494?
To fix CVE-2020-9494, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9494 being actively exploited in the wild?
It is possible that CVE-2020-9494 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9494?
CVE-2020-9494 affects Apache Software Foundation Apache Traffic Server.
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