CVE-2016-5203: n/a Google Chrome prior to 55.0.2883.75 for Mac,…

CVE-2016-5203: A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883...

A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

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

Security readout for executives and security teams

This flaw affected older Google Chrome versions and could be triggered by opening a crafted PDF. The risk is business-relevant because PDF handling is a common browser workflow, but the supplied sources do not show active exploitation or provide a CVSS score. Exposure is limited to systems running Google Chrome versions older than the fixed releases named in the CVE. Managed desktops, laptops, and Android devices with outdated Chrome are the main concern. Treat as high priority for any legacy browser estate. The issue is old, but vulnerable browsers remain risky because PDF handling is routine and browser memory corruption can create serious compromise paths. Mitigation focus: Update Chrome to the fixed versions or any current supported release.; Confirm Linux browser packages incorporate the vendor security updates.; Review vendor advisories before relying on any alternate mitigation..

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/644219CVE 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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