Security Update for Icedove

icedove Updated 02 Oct 2025

Summary

13/01/2017
N/A
Yes i
Unrated
Not published

DLA-782-1: icedove - security update. Affects icedove versions < 1:45.6.0-2~deb7u1. Fixed in 1:45.6.0-2~deb7u1. How to fix ↓

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Background

Icedove is Debian's version of the Mozilla Thunderbird mail client. It is a popular open-source email client that provides various features for managing emails, contacts, and calendars. Icedove is widely used by Debian users for its reliability and extensive customization options. However, multiple security vulnerabilities have been discovered in Icedove, which could potentially lead to the execution of arbitrary code, data leakage, or bypass of the content security policy.

Vulnerability Detail

The identified vulnerabilities in Icedove pose significant risks to users. They include multiple code execution vulnerabilities, data leakage vulnerabilities, and content security policy bypass vulnerabilities. These vulnerabilities could be exploited by attackers to execute malicious code on the user's system, steal sensitive information, or bypass security measures. The vulnerabilities have been assigned CVE identifiers: CVE-2016-9893, CVE-2016-9895, CVE-2016-9897, CVE-2016-9898, CVE-2016-9899, CVE-2016-9900, CVE-2016-9904, and CVE-2016-9905.

How To Fix

Minimum fixed version

1:45.6.0-2~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade icedove

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Conclusion

Multiple security vulnerabilities have been identified in Icedove, Debian's version of the Mozilla Thunderbird mail client. These vulnerabilities can lead to the execution of arbitrary code, data leakage, or bypass of the content security policy. To mitigate these risks, it is crucial to upgrade your Icedove packages to version 45.6.0-2 or later. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

Icedove is Debian's version of the Mozilla Thunderbird mail client. It provides a feature-rich email client with advanced capabilities for managing emails, contacts, and calendars.

The identified vulnerabilities in Icedove can allow attackers to execute arbitrary code, leak sensitive data, or bypass content security policies. These risks can lead to unauthorized access to user systems, data breaches, and potential compromise of sensitive information.

To protect yourself, it is crucial to upgrade your Icedove packages to version 45.6.0-2 or later. Additionally, it is recommended to follow best practices for email security, such as being cautious of opening email attachments from unknown sources and regularly updating your antivirus software.

No known workarounds are available for these vulnerabilities. It is essential to apply the recommended security update to mitigate the risks effectively.

You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, on the Debian LTS wiki: https://wiki.debian.org/LTS

Related vulnerabilities

Recent vulnerabilities recorded for icedove.

How To Fix

Minimum fixed version

1:45.6.0-2~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade icedove

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