CVE-2019-5608

Name: CVE-2019-5608
Creator: NVD / NIST
Published: 2019-08-30T09:15:20.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.13%

Last modified Jun 17, 2026

CVE-2019-5608 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In FreeBSD 12.0-STABLE before r350648, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350650, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the ICMPv6 input path incorrectly handles cases where an MLDv2 listener query packet is internally fragmented across multiple mbufs. A remote attacker may be able to cause an out-of-bounds read or write that may cause the kernel to attempt to access an unmapped page and subsequently panic.. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

In FreeBSD 12.0-STABLE before r350648, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350650, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the ICMPv6 input path incorrectly handles cases where an MLDv2 listener query packet is internally fragmented across multiple mbufs. A remote attacker may be able to cause an out-of-bounds read or write that may cause the kernel to attempt to access an unmapped page and subsequently panic.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.13%

79.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Freebsd	Freebsd	11.2
Freebsd	Freebsd	11.3
Freebsd	Freebsd	12.0
Netapp	Clustered Data Ontap	All versions

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:19.mldv2.ascPatch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20190910-0002/Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:19.mldv2.ascPatch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20190910-0002/Third Party Advisory

Timeline

Published: Aug 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5608?

How severe is CVE-2019-5608?

CVE-2019-5608 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5608?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5608?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST