CVE-2019-5544

Known Exploited

Description

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 87.07% Top 5%
KEV Since 
Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory vmware.com
Affected: n/a ESXi and Horizon DaaS
Published at:
Updated at:

References

Link Tags
http://www.vmware.com/security/advisories/VMSA-2019-0022.html patch vendor advisory
http://www.openwall.com/lists/oss-security/2019/12/10/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/12/11/2 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:4240 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPXXJZLPLAQULBCJVI5NNWZ3PGWXGXWG/ release notes vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA3LYAJ2NRKMOZLZOQNDJ5TNQRFMWGHF/ release notes vendor advisory
https://access.redhat.com/errata/RHSA-2020:0199 third party advisory vendor advisory
https://security.gentoo.org/glsa/202005-12 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-5544?
CVE-2019-5544 has been scored as a critical severity vulnerability.
How to fix CVE-2019-5544?
To fix CVE-2019-5544, 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-2019-5544 being actively exploited in the wild?
It is confirmed that CVE-2019-5544 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~87% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5544?
CVE-2019-5544 affects n/a ESXi and Horizon DaaS.
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