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CVE-2009-0776

7.1 · HIGH

nsIRDFService in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 allows remote attackers to bypass the same-origin policy and read XML data from another domai…

Published Mar 5, 2009mozillaCWE-200EPSS 1.60%

Overview

CVE-2009-0776 is a high-severity vulnerability affecting mozilla firefox. It was published on March 5, 2009 and has a CVSS 2.0 base score of 7.1 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

nsIRDFService in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 allows remote attackers to bypass the same-origin policy and read XML data from another domain via a cross-domain redirect.

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
mozillaseamonkey0Affected
mozillathunderbird0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2009-03/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2009-04/msg00009.htmlRefsecunia.com/advisories/34137Refsecunia.com/advisories/34140Refsecunia.com/advisories/34145Refsecunia.com/advisories/34272Refsecunia.com/advisories/34324Refsecunia.com/advisories/34383Refsecunia.com/advisories/34387Refsecunia.com/advisories/34417

How CyberStrike helps

Frequently asked questions

What is CVE-2009-0776?

CVE-2009-0776 is a high-severity vulnerability affecting mozilla firefox. It was published on March 5, 2009 and has a CVSS 2.0 base score of 7.1 (HIGH).

How severe is CVE-2009-0776?

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-0776?

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-2009-0776?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-0776 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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