CVE-2018-19827: Use After Free
First published: Mon Dec 03 2018(Updated: )
In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libsass | =3.5.5 | |
| IBM Data Virtualization on Cloud Pak for Data | <=3.0 | |
| IBM Watson Query with Cloud Pak for Data as a Service | <=2.2 | |
| IBM Watson Query with Cloud Pak for Data as a Service | <=2.1 | |
| IBM Watson Query with Cloud Pak for Data as a Service | <=2.0 | |
| IBM Data Virtualization on Cloud Pak for Data | <=1.8 | |
| IBM Data Virtualization on Cloud Pak for Data | <=1.7 |
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Reference Links
- https://github.com/sass/libsass/issues/2782
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
- https://www.ibm.com/support/pages/node/7183851 (Advisory)
Frequently Asked Questions
What is CVE-2018-19827?
CVE-2018-19827 is a use-after-free vulnerability in LibSass 3.5.5 that may cause a denial of service or have other unspecified impacts.
How severe is CVE-2018-19827?
CVE-2018-19827 has a severity rating of 8.8 (high).
Which software versions are affected by CVE-2018-19827?
LibSass 3.5.5 is affected by CVE-2018-19827.
How can CVE-2018-19827 be exploited?
CVE-2018-19827 can be exploited by triggering a use-after-free vulnerability in the SharedPtr class in LibSass.
Are there any patches or fixes available for CVE-2018-19827?
It is recommended to update to a version of LibSass that is not affected by CVE-2018-19827.
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