CVE-2019-8516 Denial of service in iOS

What is CVE-2019-8516?

CVE-2019-8516 is a high-severity denial of service vulnerability in Apple Iphone Os, published on 18 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.

Weakness: CWE-20

Which versions are affected by CVE-2019-8516?

It affects 4 products.

Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.

How do I fix CVE-2019-8516?

No fix has been published for CVE-2019-8516 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-2019-8516 being exploited?

There is no known exploitation of CVE-2019-8516 in the wild and no public exploit code.

Other vulnerabilities in Apple Iphone Os

• CVE-2021-30666 Apple iOS WebKit Buffer Overflow Exploited High 8.8
• CVE-2021-30761 Apple iOS WebKit Memory Corruption Exploited High 8.8
• CVE-2021-30762 Apple iOS WebKit Use-After-Free Exploited High 8.8
• CVE-2016-4657 Apple iOS Webkit Memory Corruption Exploited High 8.8
• CVE-2019-7286 Apple Multiple Products Memory Corruption Exploited High 7.8

All Apple Iphone Os vulnerabilities

Sources

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

Also known as GHSA-cgfv-6vmq-3wfg.