What is the severity of CVE-2017-5193?

CVE-2017-5193 has a severity rating that is classified as a denial of service vulnerability, which can lead to application crashes.

How do I fix CVE-2017-5193?

To fix CVE-2017-5193, upgrade Irssi to version 0.8.21 or later.

Which versions of Irssi are vulnerable to CVE-2017-5193?

Irssi versions prior to 0.8.21 are vulnerable to CVE-2017-5193.

What impact does CVE-2017-5193 have on affected systems?

The impact of CVE-2017-5193 is a denial of service caused by a NULL pointer dereference that leads to application crashes.

Does CVE-2017-5193 affect Debian Linux?

Yes, CVE-2017-5193 affects Debian Linux versions prior to the security patches related to Irssi.

Vulnerability/
CVE-2017-5193

high

7.5

CWE

476

3/3/2017

5/8/2024

CVE-2017-5193: Null Pointer Dereference

First published: Fri Mar 03 2017(Updated: )

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Irssi Irssi	<0.8.21
Debian Debian Linux	=7.0

Remedy

https://irssi.org/security/irssi_sa_2017_01.txt

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-5193?
CVE-2017-5193 has a severity rating that is classified as a denial of service vulnerability, which can lead to application crashes.
How do I fix CVE-2017-5193?
To fix CVE-2017-5193, upgrade Irssi to version 0.8.21 or later.
Which versions of Irssi are vulnerable to CVE-2017-5193?
Irssi versions prior to 0.8.21 are vulnerable to CVE-2017-5193.
What impact does CVE-2017-5193 have on affected systems?
The impact of CVE-2017-5193 is a denial of service caused by a NULL pointer dereference that leads to application crashes.
Does CVE-2017-5193 affect Debian Linux?
Yes, CVE-2017-5193 affects Debian Linux versions prior to the security patches related to Irssi.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/references
agent/severity
agent/author
agent/weakness
agent/remedy
agent/last-modified-date
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/irssi
canonical/irssi irssi
vendor/debian
canonical/debian debian linux
version/debian debian linux/7.0

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Frequently Asked Questions

What is the severity of CVE-2017-5193?
CVE-2017-5193 has a severity rating that is classified as a denial of service vulnerability, which can lead to application crashes.
How do I fix CVE-2017-5193?
To fix CVE-2017-5193, upgrade Irssi to version 0.8.21 or later.
Which versions of Irssi are vulnerable to CVE-2017-5193?
Irssi versions prior to 0.8.21 are vulnerable to CVE-2017-5193.
What impact does CVE-2017-5193 have on affected systems?
The impact of CVE-2017-5193 is a denial of service caused by a NULL pointer dereference that leads to application crashes.
Does CVE-2017-5193 affect Debian Linux?
Yes, CVE-2017-5193 affects Debian Linux versions prior to the security patches related to Irssi.