CVE-2016-6875 Denial of service in n/a

What is CVE-2016-6875?

CVE-2016-6875 is a critical denial of service vulnerability in n/a, published on 17 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Infinite recursion in wddx in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Which versions are affected by CVE-2016-6875?

It affects 1 product.

Products include Facebook Hhvm.

How do I fix CVE-2016-6875?

No fix has been published for CVE-2016-6875 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-6875 being exploited?

There is no known exploitation of CVE-2016-6875 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-36937 HHVM 4.172.0 and all prior versions use TLS 1.0 for secure connections when handling tls:// URLs in the stream extension. Critical 9.8
• CVE-2020-1900 Use after free in HHVM Critical 9.8
• CVE-2020-1916 Integer overflow in HHVM Critical 9.8
• CVE-2020-1917 Memory corruption in HHVM Critical 9.8
• CVE-2021-24025 Integer overflow in HHVM Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hw97-vcq7-qrhf, UBUNTU-CVE-2016-6875.