CVE-2016-5142 Use after free in n/a

What is CVE-2016-5142?

CVE-2016-5142 is a critical use after free vulnerability in Google Chrome, published on 7 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google Chrome before 52.0.2743.116, does not properly copy data buffers, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code, related to NormalizeAlgorithm.cpp and SubtleCrypto.cpp.

Weakness: CWE-416

Which versions are affected by CVE-2016-5142?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2016-5142?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-5142 being exploited?

There is no known exploitation of CVE-2016-5142 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

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

Also known as GHSA-g54g-mw8m-9fqx, UBUNTU-CVE-2016-5142.