What is the severity of CVE-2018-21027?

CVE-2018-21027 is classified as a medium severity vulnerability due to the potential for denial of service via out-of-memory conditions.

How do I fix CVE-2018-21027?

To fix CVE-2018-21027, update Boa to version 0.94.14rc22 or later where the vulnerability is addressed.

Who is affected by CVE-2018-21027?

CVE-2018-21027 affects all versions of Boa up to and including 0.94.14rc21.

What type of vulnerability is CVE-2018-21027?

CVE-2018-21027 is a denial of service vulnerability caused by mishandling of memory allocation functions.

Can CVE-2018-21027 be exploited remotely?

Yes, CVE-2018-21027 can be exploited remotely, allowing attackers to trigger an out-of-memory condition.

Vulnerability/
CVE-2018-21027

critical

9.8

CWE

119

11/10/2019

5/8/2024

CVE-2018-21027: Buffer Overflow

First published: Fri Oct 11 2019(Updated: )

Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Boa Boa	<=0.94.14.21

Remedy

https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-21027?
CVE-2018-21027 is classified as a medium severity vulnerability due to the potential for denial of service via out-of-memory conditions.
How do I fix CVE-2018-21027?
To fix CVE-2018-21027, update Boa to version 0.94.14rc22 or later where the vulnerability is addressed.
Who is affected by CVE-2018-21027?
CVE-2018-21027 affects all versions of Boa up to and including 0.94.14rc21.
What type of vulnerability is CVE-2018-21027?
CVE-2018-21027 is a denial of service vulnerability caused by mishandling of memory allocation functions.
Can CVE-2018-21027 be exploited remotely?
Yes, CVE-2018-21027 can be exploited remotely, allowing attackers to trigger an out-of-memory condition.

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agent/weakness
agent/author
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canonical/boa boa
version/boa boa/0.94.14.21

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Frequently Asked Questions

What is the severity of CVE-2018-21027?
CVE-2018-21027 is classified as a medium severity vulnerability due to the potential for denial of service via out-of-memory conditions.
How do I fix CVE-2018-21027?
To fix CVE-2018-21027, update Boa to version 0.94.14rc22 or later where the vulnerability is addressed.
Who is affected by CVE-2018-21027?
CVE-2018-21027 affects all versions of Boa up to and including 0.94.14rc21.
What type of vulnerability is CVE-2018-21027?
CVE-2018-21027 is a denial of service vulnerability caused by mishandling of memory allocation functions.
Can CVE-2018-21027 be exploited remotely?
Yes, CVE-2018-21027 can be exploited remotely, allowing attackers to trigger an out-of-memory condition.