What is CVE-2022-45419?

CVE-2022-45419 is a vulnerability in Mozilla Firefox that allows an attacker to keep an ongoing TLS connection alive even after the user has deleted a security exception for an invalid TLS certificate, making it seem like the certificate is still trusted.

How does CVE-2022-45419 affect Mozilla Firefox?

CVE-2022-45419 affects Mozilla Firefox by allowing an attacker to deceive the user into thinking that an invalid TLS certificate is still trusted.

What is the severity of CVE-2022-45419?

The severity of CVE-2022-45419 is medium, with a severity score of 6.5.

How can I fix CVE-2022-45419 in Mozilla Firefox?

To fix CVE-2022-45419 in Mozilla Firefox, update to version 107.0 or later.

Where can I get more information about CVE-2022-45419?

You can find more information about CVE-2022-45419 on the Mozilla website and in the associated security advisories.

Vulnerability/
CVE-2022-45419

medium

6.5

CWE

295

15/11/2022

22/12/2022

3/8/2024

CVE-2022-45419

First published: Tue Nov 15 2022(Updated: )

If the user added a security exception for an invalid TLS certificate, opened an ongoing TLS connection with a server that used that certificate, and then deleted the exception, Firefox would have kept the connection alive, making it seem like the certificate was still trusted.

Credit: security@mozilla.org

Affected Software	Affected Version	How to fix
Mozilla Firefox	<107	107
	<107	107
Mozilla Firefox	<107.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

MFSA2022-47

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

What is CVE-2022-45419?
CVE-2022-45419 is a vulnerability in Mozilla Firefox that allows an attacker to keep an ongoing TLS connection alive even after the user has deleted a security exception for an invalid TLS certificate, making it seem like the certificate is still trusted.
How does CVE-2022-45419 affect Mozilla Firefox?
CVE-2022-45419 affects Mozilla Firefox by allowing an attacker to deceive the user into thinking that an invalid TLS certificate is still trusted.
What is the severity of CVE-2022-45419?
The severity of CVE-2022-45419 is medium, with a severity score of 6.5.
How can I fix CVE-2022-45419 in Mozilla Firefox?
To fix CVE-2022-45419 in Mozilla Firefox, update to version 107.0 or later.
Where can I get more information about CVE-2022-45419?
You can find more information about CVE-2022-45419 on the Mozilla website and in the associated security advisories.

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