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CVE-2006-2786

2.6 · LOW

HTTP response smuggling vulnerability in Mozilla Firefox and Thunderbird before 1.5.0.4, when used with certain proxy servers, allows remote attackers to cause Firefox to interpret certain response…

Published Jun 2, 2006mozillaEPSS 1.77%

Overview

CVE-2006-2786 is a low-severity vulnerability affecting mozilla firefox. It was published on June 2, 2006 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

HTTP response smuggling vulnerability in Mozilla Firefox and Thunderbird before 1.5.0.4, when used with certain proxy servers, allows remote attackers to cause Firefox to interpret certain responses as if they were responses from two different sites via (1) invalid HTTP response headers with spaces between the header name and the colon, which might not be ignored in some cases, or (2) HTTP 1.1 headers through an HTTP 1.0 proxy, which are ignored by the proxy but processed by the client.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
mozillafirefox0Affected
mozillathunderbird0Affected

References

Refrhn.redhat.com/errata/RHSA-2006-0609.htmlRefsecunia.com/advisories/20376Refsecunia.com/advisories/20382Refsecunia.com/advisories/20561Refsecunia.com/advisories/20709Refsecunia.com/advisories/21134Refsecunia.com/advisories/21176Refsecunia.com/advisories/21178Refsecunia.com/advisories/21183Refsecunia.com/advisories/21188

How CyberStrike helps

Frequently asked questions

What is CVE-2006-2786?

CVE-2006-2786 is a low-severity vulnerability affecting mozilla firefox. It was published on June 2, 2006 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2006-2786?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-2786?

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2006-2786?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-2786 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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