rhsa-2020_5561
Vulnerability from csaf_redhat
Published
2020-12-16 12:42
Modified
2024-11-10 18:11
Summary
Red Hat Security Advisory: firefox security update
Notes
Topic
An update for firefox is now available for Red Hat Enterprise Linux 7.
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
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 78.6.0 ESR.
Security Fix(es):
* chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)
* Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)
* Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)
* Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)
* Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)
* Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)
* Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)
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.
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"category": "self",
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"category": "external",
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{
"category": "external",
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},
{
"category": "external",
"summary": "https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html",
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"category": "vendor_fix",
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"title": "chromium-browser: Uninitialized Use in V8"
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{
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},
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"ids": [
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"text": "1908022"
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],
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"text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nCertain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers.",
"title": "Vulnerability description"
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{
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"text": "Mozilla: Heap buffer overflow in WebGL",
"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"
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"category": "external",
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"category": "external",
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{
"category": "external",
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"title": "Mozilla: Heap buffer overflow in WebGL"
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"text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nCertain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass.",
"title": "Vulnerability description"
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{
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"text": "Mozilla: CSS Sanitizer performed incorrect sanitization",
"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"
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},
{
"category": "summary",
"text": "Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free",
"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"
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{
"category": "external",
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{
"category": "external",
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"category": "external",
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"category": "vendor_fix",
"date": "2020-12-16T12:42:09+00:00",
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"title": "Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free"
},
{
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},
{
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"text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nUsing techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine.",
"title": "Vulnerability description"
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"category": "summary",
"text": "Mozilla: Internal network hosts could have been probed by a malicious webpage",
"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"
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{
"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.",
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"category": "vendor_fix",
"date": "2020-12-16T12:42:09+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, Firefox must be restarted for the changes to take effect.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2020:5561"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6"
}
]
}
Loading...
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.