RHSA-2018:0527 — Security Advisory

Red Hat Security Advisory: firefox security update

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Severity

Critical

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · March 15, 2018

Updated · June 25, 2026

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 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.

This update upgrades Firefox to version 52.7.0 ESR.

Security Fix(es):

Mozilla: Memory safety bugs fixed in Firefox 59 and Firefox ESR 52.7 (MFSA 2018-07) (CVE-2018-5125)
Mozilla: Buffer overflow manipulating SVG animatedPathSegList (MFSA 2018-07) (CVE-2018-5127)
Mozilla: Out-of-bounds write with malformed IPC messages (MFSA 2018-07) (CVE-2018-5129)
Mozilla: Mismatched RTP payload type can trigger memory corruption (MFSA 2018-07) (CVE-2018-5130)
Mozilla: Fetch API improperly returns cached copies of no-store/no-cache resources (MFSA 2018-07) (CVE-2018-5131)
Mozilla: Integer overflow during Unicode conversion (MFSA 2018-07) (CVE-2018-5144)
Mozilla: Memory safety bugs fixed in Firefox ESR 52.7 (MFSA 2018-07) (CVE-2018-5145)

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.