Use-after-free error in Mozilla Firefox - CVE-2017-7806
Published: August 14, 2017
Vulnerability identifier: #VU7835
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7806
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error when the layer manager is freed too early when rendering specific SVG content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to use-after-free error when the layer manager is freed too early when rendering specific SVG content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Mozilla Firefox
Arch Linux
Ubuntu
Arch Linux
Ubuntu
How to mitigate CVE-2017-7806
Update to version 55.0.