Memory corruption in Firefox ESR and Mozilla Firefox - CVE-2017-7779

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Main Vulnerability Database Vulnerabilities #VU7855

Memory corruption in Firefox ESR and Mozilla Firefox - CVE-2017-7779

Published: August 14, 2017


Vulnerability identifier: #VU7855
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-2017-7779
CWE-ID: CWE-119
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 boundary error. 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

Firefox ESR
Mozilla Firefox
Gentoo Linux
Debian Linux
Arch Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Opensuse
Mozilla Thunderbird

How to mitigate CVE-2017-7779

Update to version 55.0 or ESR 52.3.


External References

Related Security Bulletins