Iceweasel - Multiple Security Issues

iceweasel Updated 02 Oct 2025

Summary

27/01/2016
N/A
Yes i
Unrated
Not published

DSA-3457-1: iceweasel - security update. Affects iceweasel versions < 38.6.0esr-1~deb7u1. Fixed in 38.6.0esr-1~deb7u1. How to fix ↓

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Background

Iceweasel is Debian's version of the Mozilla Firefox web browser. It provides users with a secure and feature-rich browsing experience. However, multiple security issues have been discovered in Iceweasel, which could potentially lead to the execution of arbitrary code. These vulnerabilities primarily involve memory safety errors and a buffer overflow. Additionally, the bundled NSS crypto library addresses the SLOTH attack on TLS 1.2.

Vulnerability Detail

The identified vulnerabilities in Iceweasel pose a significant risk to users. The memory safety errors and buffer overflow can be exploited by attackers to execute arbitrary code on affected systems. This could result in unauthorized access to sensitive information, system compromise, or other malicious activities. The SLOTH attack on TLS 1.2 can lead to the decryption of encrypted communications, potentially exposing sensitive data transmitted over affected connections.

How To Fix

Minimum fixed version

38.6.0esr-1~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade iceweasel

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Conclusion

Multiple security issues have been identified in Iceweasel, Debian's version of the Mozilla Firefox web browser. These vulnerabilities can lead to the execution of arbitrary code and pose a significant risk to users. It is crucial to upgrade your iceweasel packages to the fixed versions mentioned in this report to ensure the security of your system. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

Iceweasel is Debian's version of the Mozilla Firefox web browser. It provides users with a secure and feature-rich browsing experience.

The vulnerabilities in Iceweasel could allow attackers to execute arbitrary code on affected systems, leading to unauthorized access, system compromise, or other malicious activities. The SLOTH attack on TLS 1.2 can result in the decryption of encrypted communications, potentially exposing sensitive data transmitted over affected connections.

To fix these vulnerabilities, you need to upgrade your iceweasel packages to the fixed versions. The specific fixed versions for each distribution are mentioned in the 'how_to_fix' section of this report.

No specific workarounds have been mentioned for these vulnerabilities. It is recommended to update your iceweasel packages to the fixed versions as soon as possible.

You can find more information about these vulnerabilities in the Debian Security Advisory DSA-3457-1. The link to the advisory is provided in the 'affected' section of this report.

Related vulnerabilities

Recent vulnerabilities recorded for iceweasel.

How To Fix

Minimum fixed version

38.6.0esr-1~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade iceweasel

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