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NVD / CVE Program· CNA Chrome

CVE-2016-1638: extensions/renderer/resources/platform_app.js in the Extensions subsystem in Google Chrome before 49.0.2623.75 does not properly restrict…

MediumCVSS 6.3 · v3.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 25/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1% (FIRST EPSS); higher than 64.9% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: chromium-browser (Debian:8) 49.0.2623.75-1~deb8u1; chromium-browser (Red Hat:rhel_extras:6) 0:49.0.2623.75-1.el6; chromium-browser-debuginfo (Red Hat:rhel_extras:6) 0:49.0.2623.75-1.el6.

Low priority for now. Upgrade to chromium-browser (Debian:8) 49.0.2623.75-1~deb8u1; chromium-browser (Red Hat:rhel_extras:6) 0:49.0.2623.75-1.el6; chromium-browser-debuginfo (Red Hat:rhel_extras:6) 0:49.0.2623.75-1.el6 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

extensions/renderer/resources/platform_app.js in the Extensions subsystem in Google Chrome before 49.0.2623.75 does not properly restrict use of Web APIs, which allows remote attackers to bypass intended access restrictions via a crafted platform app.

Published
Mar 5, 2016
Updated
Jun 16, 2026
EPSS
1.0% · 64th percentile

Report tools

JSON

Action score

25

Monitor

Low priority for now.

CVSS
25 / 40 · 6.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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  • when exploit code appears or is weaponized
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  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
googlechrome

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • google chromeup to 48.0.2564.116 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:8chromium-browserbefore 49.0.2623.75-1~deb8u149.0.2623.75-1~deb8u1
Red Hat:rhel_extras:6chromium-browserbefore 0:49.0.2623.75-1.el60:49.0.2623.75-1.el6
Red Hat:rhel_extras:6chromium-browser-debuginfobefore 0:49.0.2623.75-1.el60:49.0.2623.75-1.el6

Same product

google: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-4863Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of…KEV
    95Now
  • CVE-2021-21224Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a…KEV
    90Now
  • CVE-2018-17463Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a…KEV
    90Now

Published before and after this one in the same product

  • ← EarlierCVE-2016-1636Mar 5, 2016 · The PendingScript::notifyFinished function in WebKit/Source/core/dom/PendingScript.cpp in Google Chrome before 49.0.2623.75 relies on…
    40Plan
  • ← EarlierCVE-2016-1637Mar 5, 2016 · The SkATan2_255 function in effects/gradients/SkSweepGradient.cpp in Skia, as used in Google Chrome before 49.0.2623.75, mishandles…
    26Monitor
  • Later →CVE-2016-1639Mar 5, 2016 · Use-after-free vulnerability in browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc in the WebRTC Audio Private API…
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:chromium-browser49.0.2623.75-1~deb8u1 · Debian:8Package registry (OSV)
red hat:chromium-browser0:49.0.2623.75-1.el6 · Red Hat:rhel_extras:6Package registry (OSV)
red hat:chromium-browser-debuginfo0:49.0.2623.75-1.el6 · Red Hat:rhel_extras:6Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

CWE-284 · Improper Access Control

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

References

Show all references (10 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records