Synopsis

Important: firefox security update

Type/Severity

Security Advisory: Important

Topic

An update for firefox is now available for Red Hat Enterprise Linux 6.

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 68.11.0 ESR.

Security Fix(es):

• chromium-browser: Use after free in ANGLE (CVE-2020-6463)
  
• chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
  
• Mozilla: Potential leak of redirect targets when loading scripts in a worker (CVE-2020-15652)
  
• Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11 (CVE-2020-15659)
  

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 Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1840893 - CVE-2020-6463 chromium-browser: Use after free in ANGLE
• BZ - 1857349 - CVE-2020-6514 chromium-browser: Inappropriate implementation in WebRTC
• BZ - 1861570 - CVE-2020-15652 Mozilla: Potential leak of redirect targets when loading scripts in a worker
• BZ - 1861572 - CVE-2020-15659 Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11

CVEs

• CVE-2020-6463
• CVE-2020-6514
• CVE-2020-15652
• CVE-2020-15659

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2020-31/

Red Hat Enterprise Linux Server 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
x86_64
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 3b72daae559d2469e57e53f87b5827d8ca0192e6e29784e7d3118e81f48fceb2
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84
firefox-debuginfo-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 5de03bcfa635e33ade40e764c607264056dbb369ef70d670827d0f6f918b931a
i386
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84

Red Hat Enterprise Linux Workstation 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
x86_64
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 3b72daae559d2469e57e53f87b5827d8ca0192e6e29784e7d3118e81f48fceb2
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84
firefox-debuginfo-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 5de03bcfa635e33ade40e764c607264056dbb369ef70d670827d0f6f918b931a
i386
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84

Red Hat Enterprise Linux Desktop 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
x86_64
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 3b72daae559d2469e57e53f87b5827d8ca0192e6e29784e7d3118e81f48fceb2
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84
firefox-debuginfo-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 5de03bcfa635e33ade40e764c607264056dbb369ef70d670827d0f6f918b931a
i386
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
s390x
firefox-68.11.0-1.el6_10.s390x.rpm	SHA-256: a90f086b80ca3f74452b4ac464980af832701c409ecaa72c7d255449114679c9
firefox-debuginfo-68.11.0-1.el6_10.s390x.rpm	SHA-256: f26bdf4d3944b68f9f506572a87e9126d8361445e2308ebb21d610b7c5ca73df

Red Hat Enterprise Linux for Power, big endian 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
ppc64
firefox-68.11.0-1.el6_10.ppc64.rpm	SHA-256: fa25dc9c1a365b1b310db65671a0b820af371a13d794143eb67792e481553b47
firefox-debuginfo-68.11.0-1.el6_10.ppc64.rpm	SHA-256: 50c883ef9b61fb40e340cbd5f4f2fe64e8d08a48f3be12980252d1406299f961

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
firefox-68.11.0-1.el6_10.src.rpm	SHA-256: c6c353662160149ddea5b03ffb1bfe3b495621f5b48e51a396ce3e12f7f5b0be
x86_64
firefox-68.11.0-1.el6_10.i686.rpm	SHA-256: 307ad7d48107182afd52c1c6a5694d6abdc2d1f3e48526df55ae1036857a90fd
firefox-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 3b72daae559d2469e57e53f87b5827d8ca0192e6e29784e7d3118e81f48fceb2
firefox-debuginfo-68.11.0-1.el6_10.i686.rpm	SHA-256: e21fa0f30056abc9562730c8562cc7787fcbc29a93ca5fbaa2958b896f7efb84
firefox-debuginfo-68.11.0-1.el6_10.x86_64.rpm	SHA-256: 5de03bcfa635e33ade40e764c607264056dbb369ef70d670827d0f6f918b931a