Mozilla Firefox vulnerability in processing content-length header


Mozilla Firefox contains a vulnerability in the processing of content-length header.

Kazuho Oku of Cybozu Laboratories, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

mozilla.org contributors
  • Mozilla Firefox and earlier


When a malicious website is viewed, a script may be injected within a response from another domain.

[Update the software]
Update to the latest version according to the information provided by the developer.

This issue has been resolved in Mozilla Firefox
Vendor Information

mozilla.org contributors
CWE (What is CWE?)

  1. No Mapping(CWE-DesignError) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2011-2668

  1. JVN : JVN#36721438
  2. National Vulnerability Database (NVD) : CVE-2011-2668
Revision History

  • [2011/07/28]
      Web page published