RHSA-2020:4206
Vulnerability from csaf_redhat - Published: 2020-10-07 11:27 - Updated: 2026-06-28 12:33Summary
Red Hat Security Advisory: chromium-browser security update
Severity
Important
Notes
Topic: An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Chromium is an open-source web browser, powered by WebKit (Blink).
This update upgrades Chromium to version 85.0.4183.121.
Security Fix(es):
* chromium-browser: Out of bounds read in storage (CVE-2020-15960)
* chromium-browser: Insufficient policy enforcement in extensions (CVE-2020-15961)
* chromium-browser: Insufficient policy enforcement in serial (CVE-2020-15962)
* chromium-browser: Insufficient policy enforcement in extensions (CVE-2020-15963)
* chromium-browser: Insufficient data validation in media (CVE-2020-15964)
* chromium-browser: Out of bounds write in V8 (CVE-2020-15965)
* chromium-browser: Insufficient policy enforcement in extensions (CVE-2020-15966)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Heap buffer overflow in storage in Google Chrome prior to 85.0.4183.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
8.8 (High)
Affected products
Fixed
14 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 6Client-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-Supplementary-6.10.z:chromium-browser-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-Supplementary-6.10.z:chromium-browser-debuginfo-0:85.0.4183.121-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Important
Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
8.8 (High)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Important
Insufficient policy validation in serial in Google Chrome prior to 85.0.4183.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
8.8 (High)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Important
Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
8.8 (High)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Important
Insufficient data validation in media in Google Chrome prior to 85.0.4183.121 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
8.8 (High)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Important
Type confusion in V8 in Google Chrome prior to 85.0.4183.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
8.8 (High)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Important
Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information via a crafted Chrome Extension.
6.5 (Medium)
Affected products
Fixed
14 products, the same list as for
CVE-2020-15960
Threats
Impact
Moderate
References
39 references
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"integrityImpact": "HIGH",
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"title": "chromium-browser: Out of bounds write in V8"
},
{
"cve": "CVE-2020-15966",
"discovery_date": "2020-09-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1881599"
}
],
"notes": [
{
"category": "description",
"text": "Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information via a crafted Chrome Extension.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "chromium-browser: Insufficient policy enforcement in extensions",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-15966"
},
{
"category": "external",
"summary": "RHBZ#1881599",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881599"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-15966",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-15966"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-15966",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15966"
},
{
"category": "external",
"summary": "https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html",
"url": "https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html"
}
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"release_date": "2020-09-21T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-10-07T11:27:32+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing the update, Chromium must be restarted for the changes to take effect.",
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"attackVector": "NETWORK",
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}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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