CVE-2016-1639

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

Use-after-free vulnerability in browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc in the WebRTC Audio Private API implementation in Google Chrome before 49.0.2623.75 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging incorrect reliance on the resource context pointer.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
82%
KEV
Not listed

Published

March 6, 2016

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic

Issue 1703733002: Store device salt callback instead of resource context in WebRTC Audio Private API - Code Review

https://codereview.chromium.org/1703733002
generic
https://code.google.com/p/chromium/issues/detail?id=572224
generic
http://www.securitytracker.com/id/1035185
generic

CVE-2016-1630 — PSIRT.COM

http://www.securityfocus.com/bid/84008
generic

[SECURITY] [DSA 3507-1] chromium-browser security update

http://www.debian.org/security/2016/dsa-3507
generic

Chrome Releases: Stable Channel Update

http://googlechromereleases.blogspot.com/2016/03/stable-channel-update.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatchromium-browser-0:49.0.2623.75-1.el62016-03-07redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Debian:8(1)
PackageVulnerable rangeFixed inDependents
chromium-browser41.0.2272.118-1 ... 48.0.2564.82-2 (39 versions)49.0.2623.75-1~deb8u1—

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 134 total refreshes for this CVE.

  1. 2026-08-19 16:59 UTCEPSS rescore
  2. 2026-08-18 13:43 UTCEPSS rescore
  3. 2026-08-17 13:42 UTCEPSS rescore
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  22. 2026-07-23 01:21 UTCEG score recompute
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  1. 2026-07-21 15:21 UTCEPSS rescore
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  46. 2026-06-18 17:50 UTCEPSS rescore
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  49. 2026-06-16 17:50 UTCEPSS rescore
  50. 2026-06-16 17:50 UTCEPSS rescore
  51. 2026-06-15 17:45 UTCEPSS rescore
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  54. 2026-06-12 23:09 UTCEPSS rescore
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  70. 2026-05-31 22:28 UTCEPSS rescore
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  73. 2026-05-29 13:41 UTCEPSS rescore
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  75. 2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-1639?
CVE-2016-1639 is a critical vulnerability published on March 6, 2016. Use-after-free vulnerability in browser/extensions/api/webrtcaudioprivate/webrtcaudioprivate_api.cc in the WebRTC Audio Private API implementation in Google Chrome before 49.0.2623.75 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging…
When was CVE-2016-1639 disclosed?
CVE-2016-1639 was first published in the National Vulnerability Database on March 6, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-1639 actively exploited?
CVE-2016-1639 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 17.7% of all scored CVEs.
What is the CVSS score of CVE-2016-1639?
CVE-2016-1639 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-1639?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-1639, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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