CVE-2021-33586

Description

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory gentoo.org Vendor Advisory inspircd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.inspircd.org/security/2021-01/ patch vendor advisory
https://github.com/inspircd/inspircd/commit/4350a11c663b0d75f8119743bffb7736d87abd4d third party advisory patch
https://security.gentoo.org/glsa/202107-22 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33586?
CVE-2021-33586 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33586?
To fix CVE-2021-33586, 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-2021-33586 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33586 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.
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