CVE-2015-8664

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
8.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Exploit-DB (verified), public exploit)
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 8.8Exploit: Exploit-DB (verified) · public exploitExposed: 0

A fix is available — apply it.

Integer overflow in the WebCursor::Deserialize function in content/common/cursors/webcursor.cc in Google Chrome before 47.0.2526.106 allows remote attackers to cause a denial of service or possibly have unspecified other impact via an RGBA pixel array with crafted dimensions, a different vulnerability than CVE-2015-6792.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
70(Track)
EG Risk 70/100SSVC: 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
Severity88% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
92%
KEV
Not listed

Published

December 24, 2015

Last Modified

May 6, 2026

Advisory Details (5)

Auto-updated May 9, 2026
No patch confirmed yet.
generic
http://www.securityfocus.com/bid/79686
generic

Chrome Releases: Stable Channel Update

http://googlechromereleases.blogspot.com/2015/12/stable-channel-update_15.html
generic

Issue 1498903003: Fix a overflow in WebCursorn - Code Review

https://codereview.chromium.org/1498903003
generic
https://code.google.com/p/chromium/issues/detail?id=569486
generic
https://code.google.com/p/chromium/issues/detail?id=565023

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuoxideqt-codecs-extra (1.11.4-0ubuntu0.14.04.1) @ trusty2026-05-22ubuntu
redhatchromium-browser-0:47.0.2526.106-1.el62015-12-17redhat

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.

All Vendor Advisories

(2)

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 / 25× 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 116 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
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  24. 2026-07-23 01:20 UTCEG score recompute
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  1. 2026-07-22 22:00 UTCEG score recompute
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-39039✓ verified
    First seen Dec 18, 2015

    Google Chrome - Renderer Process to Browser Process Privilege Escalation

    Open source ↗

Frequently asked(5)

What is CVE-2015-8664?
CVE-2015-8664 is a high vulnerability published on December 24, 2015. Integer overflow in the WebCursor::Deserialize function in content/common/cursors/webcursor.cc in Google Chrome before 47.0.2526.106 allows remote attackers to cause a denial of service or possibly have unspecified other impact via an RGBA pixel array with crafted dimensions, a different…
When was CVE-2015-8664 disclosed?
CVE-2015-8664 was first published in the National Vulnerability Database on December 24, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-8664 actively exploited?
CVE-2015-8664 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 8.1% of all scored CVEs.
What is the CVSS score of CVE-2015-8664?
CVE-2015-8664 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2015-8664?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8664, 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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