CVE-2021-37136

Description

The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory debian.org
Affected: The Netty project Netty
Published at:
Updated at:

References

Link Tags
https://github.com/netty/netty/security/advisories/GHSA-grg4-wf29-r9vv third party advisory
https://lists.apache.org/thread.html/rfb2bf8597e53364ccab212fbcbb2a4e9f0a9e1429b1dc08023c6868e%40%3Cdev.tinkerpop.apache.org%3E mailing list
https://lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0%40%3Ccommits.druid.apache.org%3E mailing list
https://lists.apache.org/thread.html/r5406eaf3b07577d233b9f07cfc8f26e28369e6bab5edfcab41f28abb%40%3Ccommits.druid.apache.org%3E mailing list
https://lists.apache.org/thread.html/r5e05eba32476c580412f9fbdfc9b8782d5b40558018ac4ac07192a04%40%3Ccommits.druid.apache.org%3E mailing list
https://lists.apache.org/thread.html/r06a145c9bd41a7344da242cef07977b24abe3349161ede948e30913d%40%3Ccommits.druid.apache.org%3E mailing list
https://lists.apache.org/thread.html/rd262f59b1586a108e320e5c966feeafbb1b8cdc96965debc7cc10b16%40%3Ccommits.druid.apache.org%3E mailing list
https://www.oracle.com/security-alerts/cpujan2022.html third party advisory patch
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://security.netapp.com/advisory/ntap-20220210-0012/ third party advisory
https://www.oracle.com/security-alerts/cpujul2022.html third party advisory patch
https://lists.debian.org/debian-lts-announce/2023/01/msg00008.html third party advisory mailing list
https://www.debian.org/security/2023/dsa-5316 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-37136?
CVE-2021-37136 has been scored as a high severity vulnerability.
How to fix CVE-2021-37136?
To fix CVE-2021-37136, 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-2021-37136 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-37136 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37136?
CVE-2021-37136 affects The Netty project Netty.
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