CVE-2016-5221: n/a Google Chrome prior to 55.0.2883.75 for Mac,…

CVE-2016-5221: Type confusion in libGLESv2 in ANGLE in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and...

Type confusion in libGLESv2 in ANGLE in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android possibly allowed a remote attacker to bypass buffer validation via a crafted HTML page.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 00:53 UTC (UTC+00:00)

Security readout for executives and security teams

A vulnerable Chrome user could be exposed simply by opening a crafted web page. The issue was in Chrome's graphics translation layer and may have let an attacker bypass buffer validation. The supplied sources do not provide CVSS, confirmed exploitation, or detailed impact beyond that. Exposure is mainly legacy endpoints running Google Chrome older than the fixed versions named in the CVE record. Current managed browsers are unlikely to be affected, but unmanaged, embedded, or long-neglected systems should be checked. Handle this as legacy browser hygiene with moderate urgency. The vulnerability is remotely reachable through web content, but the supplied evidence lacks severity scoring and active-exploitation confirmation. Mitigation focus: Upgrade Chrome to 55.0.2883.75 desktop, 55.0.2883.84 Android, or later.; Check vendor advisories for platform-specific package guidance.; Remove or isolate unsupported legacy Chrome installations..

Prepared: Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 19, 2017, 05:43 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://crbug.com/660854CVE reference · x_refsource_CONFIRM
https://chromereleases.googleblog.com/2016/12/stable-channel-update-for-desktop.htmlCVE reference · x_refsource_CONFIRM
GLSA-201612-11CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/aGoogle Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for AndroidGoogle Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for AndroidListed

Weakness

CWE details

No CWE listed

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