Vulnerability identifier: #VU12567

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5177

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to boundary error in XSLT during number formatting. A remote unauthenticated attacker can allocate negative buffer size, trigger memory corruption and cause the service to crash.

Mitigation
Update to version 60.0.

External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-11/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.