#VU6314 Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2017-5435

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during transaction processing in the editor during design mode interactions. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Remediation

External links

• 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/