What is the severity of CVE-2017-10966?

CVE-2017-10966 is considered a high severity vulnerability due to the possible use-after-free conditions that can lead to crashes or malicious exploitation.

How do I fix CVE-2017-10966?

To mitigate CVE-2017-10966, upgrade to Irssi version 1.0.4 or later.

What systems are affected by CVE-2017-10966?

CVE-2017-10966 affects all versions of Irssi prior to 1.0.4.

What type of vulnerability is CVE-2017-10966 classified as?

CVE-2017-10966 is classified as a use-after-free vulnerability.

Is CVE-2017-10966 related to any specific functionality in Irssi?

Yes, CVE-2017-10966 relates to issues in updating the internal nick list within Irssi.

Vulnerability/
CVE-2017-10966

critical

9.8

CWE

416

7/7/2017

5/8/2024

CVE-2017-10966: Use After Free

First published: Fri Jul 07 2017(Updated: )

An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick while updating it. This would then result in use-after-free conditions on each access of the hash table.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
debian/irssi		1.2.0-2+deb10u1 1.2.3-1 1.4.3-2 1.4.5-1
Irssi Irssi	<=1.0.3

Remedy

https://github.com/irssi/irssi/commit/5e26325317c72a04c1610ad952974e206384d291

Remedy

https://irssi.org/security/irssi_sa_2017_07.txt

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-10966?
CVE-2017-10966 is considered a high severity vulnerability due to the possible use-after-free conditions that can lead to crashes or malicious exploitation.
How do I fix CVE-2017-10966?
To mitigate CVE-2017-10966, upgrade to Irssi version 1.0.4 or later.
What systems are affected by CVE-2017-10966?
CVE-2017-10966 affects all versions of Irssi prior to 1.0.4.
What type of vulnerability is CVE-2017-10966 classified as?
CVE-2017-10966 is classified as a use-after-free vulnerability.
Is CVE-2017-10966 related to any specific functionality in Irssi?
Yes, CVE-2017-10966 relates to issues in updating the internal nick list within Irssi.

collector/security-tracker-debian
collector/nvd-index
agent/type
agent/remedy
collector/mitre-cve
source/MITRE
agent/severity
agent/weakness
agent/last-modified-date
agent/references
agent/author
agent/softwarecombine
agent/event
agent/description
agent/first-publish-date
agent/tags
agent/source
package-manager/debian
vendor/irssi
canonical/irssi irssi
version/irssi irssi/1.0.3

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Frequently Asked Questions

What is the severity of CVE-2017-10966?
CVE-2017-10966 is considered a high severity vulnerability due to the possible use-after-free conditions that can lead to crashes or malicious exploitation.
How do I fix CVE-2017-10966?
To mitigate CVE-2017-10966, upgrade to Irssi version 1.0.4 or later.
What systems are affected by CVE-2017-10966?
CVE-2017-10966 affects all versions of Irssi prior to 1.0.4.
What type of vulnerability is CVE-2017-10966 classified as?
CVE-2017-10966 is classified as a use-after-free vulnerability.
Is CVE-2017-10966 related to any specific functionality in Irssi?
Yes, CVE-2017-10966 relates to issues in updating the internal nick list within Irssi.