RHSA-2021:0290
Vulnerability from csaf_redhat
Published
2021-01-28 13:20
Modified
2024-11-22 16:23
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 78.7.0 ESR. Security Fix(es): * Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953) * Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954) * Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964) * Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976) * Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960) 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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               text: "Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements",
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         ids: [
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               text: "Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC",
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         ids: [
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               text: "1920651",
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               text: "Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7",
               title: "Vulnerability summary",
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-23964",
            },
            {
               category: "external",
               summary: "RHBZ#1920651",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1920651",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-23964",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-23964",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-23964",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-23964",
            },
            {
               category: "external",
               summary: "https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/#CVE-2021-23964",
               url: "https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/#CVE-2021-23964",
            },
         ],
         release_date: "2021-01-26T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-01-28T13:20:12+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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                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
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                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
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         ],
         threats: [
            {
               category: "impact",
               details: "Important",
            },
         ],
         title: "Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7",
      },
   ],
}


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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.
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