CVE-2018-20450: Double Free
First published: Tue Dec 25 2018(Updated: )
The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libxls Project Libxls | =1.4.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-20450?
CVE-2018-20450 is a vulnerability in libxls 1.4.0 that allows attackers to cause a denial of service (application crash) via a crafted file.
How does CVE-2018-20450 impact Libxls Project Libxls 1.4.0?
CVE-2018-20450 allows attackers to crash the application by exploiting a double free vulnerability in libxls 1.4.0.
What is the severity of CVE-2018-20450?
CVE-2018-20450 has a severity rating of medium (6.5).
How can I fix CVE-2018-20450?
To fix CVE-2018-20450, update libxls to a version that is not affected by the vulnerability.
Are there any references for CVE-2018-20450?
Yes, you can find more information about CVE-2018-20450 at the following references: [1] https://github.com/evanmiller/libxls/issues/34 [2] https://security.gentoo.org/glsa/202003-64
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