CVE-2019-11923

Description

In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.64%
Vendor Advisory github.com Vendor Advisory facebook.com
Affected: Facebook Mcrouter
Published at:
Updated at:

References

Link Tags
https://www.facebook.com/security/advisories/cve-2019-11923 vendor advisory
https://github.com/facebook/mcrouter/releases/tag/v0.41.0-release release notes vendor advisory
https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-11923?
CVE-2019-11923 has been scored as a high severity vulnerability.
How to fix CVE-2019-11923?
To fix CVE-2019-11923, 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-2019-11923 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11923 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-2019-11923?
CVE-2019-11923 affects Facebook Mcrouter.
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