CVE-2016-5142

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-07 · updated 2026-06-17
Weakness: CWE-416

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.

Affected products

Google Chrome: through 52.0.2743.82

References

http://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00006.html
http://rhn.redhat.com/errata/RHSA-2016-1580.html
http://www.debian.org/security/2016/dsa-3645
http://www.securityfocus.com/bid/92276
http://www.securitytracker.com/id/1036547
https://codereview.chromium.org/2141843002/
https://crbug.com/626948
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KMX62M7UNRLWO4FEQ6YIMPMTKXXJV6A/
https://security.gentoo.org/glsa/201610-09
http://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop.html

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