RHSA-2019:1764 — Security Advisory
Red Hat Security Advisory: firefox security update
Severity
CriticalRed Hat Product Security
Products
Official CSAF product identity
Published · July 12, 2019
Updated · January 14, 2026
Topic
An update for firefox is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Critical. 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.
Description
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 60.8.0 ESR.
Security Fix(es):
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Mozilla: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8 (CVE-2019-11709)
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Mozilla: Sandbox escape via installation of malicious language pack (CVE-2019-9811)
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Mozilla: Script injection within domain through inner window reuse (CVE-2019-11711)
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Mozilla: Cross-origin POST requests can be made with NPAPI plugins by following 308 redirects (CVE-2019-11712)
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Mozilla: Use-after-free with HTTP/2 cached stream (CVE-2019-11713)
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Mozilla: HTML parsing error can contribute to content XSS (CVE-2019-11715)
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Mozilla: Caret character improperly escaped in origins (CVE-2019-11717)
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Mozilla: Same-origin policy treats all files in a directory as having the same-origin (CVE-2019-11730)
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.