7.5
CWE
346
Advisory Published
CVE Published
Updated

CVE-2017-7797

First published: Tue Aug 08 2017(Updated: )

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<55
55
Firefox<55.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2017-7797?

    CVE-2017-7797 has a high severity rating due to its potential for cross-origin exposure of header names.

  • How do I fix CVE-2017-7797?

    To mitigate CVE-2017-7797, upgrade your Mozilla Firefox to version 55 or later.

  • Which versions of Firefox are affected by CVE-2017-7797?

    CVE-2017-7797 affects all versions of Mozilla Firefox prior to version 55.

  • What type of vulnerability is CVE-2017-7797?

    CVE-2017-7797 is a vulnerability related to inadequate same-origin protections for response header name interning.

  • What impact does CVE-2017-7797 have on users?

    CVE-2017-7797 can allow attackers to access response headers across different origins, potentially leading to data exposure.

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