CVE-2021-43045

Possible DOS vulnerabilities in C# Avro SDK

Description

A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.60%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Avro
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd mailing list vendor advisory
http://www.openwall.com/lists/oss-security/2022/01/06/8 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-43045?
CVE-2021-43045 has been scored as a high severity vulnerability.
How to fix CVE-2021-43045?
To fix CVE-2021-43045, 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-2021-43045 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43045 is being actively exploited. 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-2021-43045?
CVE-2021-43045 affects Apache Software Foundation Apache Avro.
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