What is the severity of CVE-2021-27919?

CVE-2021-27919 has a severity rating that allows attackers to cause a denial of service (panic) when using the Reader.Open API with malicious ZIP archives.

How do I fix CVE-2021-27919?

To fix CVE-2021-27919, update to Go version 1.16.1 or later.

What software versions are affected by CVE-2021-27919?

CVE-2021-27919 affects Go versions prior to 1.16.1, as well as Fedora releases 34 and 35.

What type of vulnerability is CVE-2021-27919?

CVE-2021-27919 is a denial of service vulnerability related to improper handling of ZIP archives.

Can CVE-2021-27919 be exploited remotely?

Yes, CVE-2021-27919 can be exploited remotely by using crafted ZIP files.

Vulnerability/
CVE-2021-27919

medium

5.5

11/3/2021

3/8/2024

CVE-2021-27919

First published: Thu Mar 11 2021(Updated: )

archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Go Programming Language	>=1.16.0<1.16.1
Fedoraproject Fedora	=34
Fedoraproject Fedora	=35

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-27919?
CVE-2021-27919 has a severity rating that allows attackers to cause a denial of service (panic) when using the Reader.Open API with malicious ZIP archives.
How do I fix CVE-2021-27919?
To fix CVE-2021-27919, update to Go version 1.16.1 or later.
What software versions are affected by CVE-2021-27919?
CVE-2021-27919 affects Go versions prior to 1.16.1, as well as Fedora releases 34 and 35.
What type of vulnerability is CVE-2021-27919?
CVE-2021-27919 is a denial of service vulnerability related to improper handling of ZIP archives.
Can CVE-2021-27919 be exploited remotely?
Yes, CVE-2021-27919 can be exploited remotely by using crafted ZIP files.

agent/type
collector/mitre-cve
source/MITRE
agent/references
agent/severity
agent/last-modified-date
agent/author
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
agent/softwarecombine
vendor/golang
canonical/go programming language
version/go programming language/1.16.0
vendor/fedoraproject
canonical/fedoraproject fedora
version/fedoraproject fedora/34
version/fedoraproject fedora/35

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Frequently Asked Questions

What is the severity of CVE-2021-27919?
CVE-2021-27919 has a severity rating that allows attackers to cause a denial of service (panic) when using the Reader.Open API with malicious ZIP archives.
How do I fix CVE-2021-27919?
To fix CVE-2021-27919, update to Go version 1.16.1 or later.
What software versions are affected by CVE-2021-27919?
CVE-2021-27919 affects Go versions prior to 1.16.1, as well as Fedora releases 34 and 35.
What type of vulnerability is CVE-2021-27919?
CVE-2021-27919 is a denial of service vulnerability related to improper handling of ZIP archives.
Can CVE-2021-27919 be exploited remotely?
Yes, CVE-2021-27919 can be exploited remotely by using crafted ZIP files.