Issued:
2021-07-15
Updated:
2021-07-15

RHSA-2021:2740 - Security Advisory

Synopsis

Important: firefox security update

Type/Severity

Security Advisory: Important

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Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.

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.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.12.0 ESR.

Security Fix(es):

  • Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)
  • Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)
  • chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64

Fixes

  • BZ - 1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE
  • BZ - 1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document
  • BZ - 1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
x86_64
firefox-78.12.0-1.el8_1.x86_64.rpm SHA-256: 54cbdc89c2674cee53b88739803f2fde0d92dc49242e2a071b79b4d85d27eb74
firefox-debuginfo-78.12.0-1.el8_1.x86_64.rpm SHA-256: 2572066d7ce3dd41dbce9762b4413bac33cde9318636720c654440ba8693d9cf
firefox-debugsource-78.12.0-1.el8_1.x86_64.rpm SHA-256: 30d5c6a3a6ddcf14edc6d2d3d662dbbd320080e7b0831d1ffddab087c47d6326

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
s390x
firefox-78.12.0-1.el8_1.s390x.rpm SHA-256: 45aafcaa1e18a37e6e330f849bb90a0988f06872a443037dbf418de3269dd9d3
firefox-debuginfo-78.12.0-1.el8_1.s390x.rpm SHA-256: f7df936d0c530bce4ba491804796eb5ea866c54acadde857e00cdf99880f1155
firefox-debugsource-78.12.0-1.el8_1.s390x.rpm SHA-256: 77000fd7b5aa9875e5f16a43c439029a41daca78e49dab0df4bf948b2a3407cf

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
ppc64le
firefox-78.12.0-1.el8_1.ppc64le.rpm SHA-256: 52d1e768bf447d7fd6944c0960153d356e1cf536e45c49e7578361f177c5cc51
firefox-debuginfo-78.12.0-1.el8_1.ppc64le.rpm SHA-256: 53fbff41eba40946ee950f560d22efae44b192f2224f64699d949f0c00b3beea
firefox-debugsource-78.12.0-1.el8_1.ppc64le.rpm SHA-256: f0a79270227b85868a9a35cd749520f9b7b912cd6cbd50ce7bb9923eeadb15d3

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
aarch64
firefox-78.12.0-1.el8_1.aarch64.rpm SHA-256: d7dfccfc82e2a69afe7ff98412262c16857f89c53a18dc57f541c7842b4967d9
firefox-debuginfo-78.12.0-1.el8_1.aarch64.rpm SHA-256: bc9b64d88e5f28622e44e0142b1acefe4045bff2464852c48795f2cacd889948
firefox-debugsource-78.12.0-1.el8_1.aarch64.rpm SHA-256: 04591d79f63c16119e694ba903398b3dcab42cf9544b70bed659f578b7469176

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
ppc64le
firefox-78.12.0-1.el8_1.ppc64le.rpm SHA-256: 52d1e768bf447d7fd6944c0960153d356e1cf536e45c49e7578361f177c5cc51
firefox-debuginfo-78.12.0-1.el8_1.ppc64le.rpm SHA-256: 53fbff41eba40946ee950f560d22efae44b192f2224f64699d949f0c00b3beea
firefox-debugsource-78.12.0-1.el8_1.ppc64le.rpm SHA-256: f0a79270227b85868a9a35cd749520f9b7b912cd6cbd50ce7bb9923eeadb15d3

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1

SRPM
firefox-78.12.0-1.el8_1.src.rpm SHA-256: e7b60f1915c0696695373af25ea7566d6b7a5a99d58396bca5e1d65fdcaa2feb
x86_64
firefox-78.12.0-1.el8_1.x86_64.rpm SHA-256: 54cbdc89c2674cee53b88739803f2fde0d92dc49242e2a071b79b4d85d27eb74
firefox-debuginfo-78.12.0-1.el8_1.x86_64.rpm SHA-256: 2572066d7ce3dd41dbce9762b4413bac33cde9318636720c654440ba8693d9cf
firefox-debugsource-78.12.0-1.el8_1.x86_64.rpm SHA-256: 30d5c6a3a6ddcf14edc6d2d3d662dbbd320080e7b0831d1ffddab087c47d6326

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.