Information disclosure in Mozilla Firefox and Firefox ESR - CVE-2017-5445

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error when parsing application/http-index-format format content where uninitialized values are used to create an array. A remote attacker can read portions of uninitialized memory.

Successful exploitation of the vulnerability may allow an attacker to gain access to potentially sensitive information.

How to mitigate CVE-2017-5445

Sources

• https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/
• https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/
• https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/