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 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 52.1.0 ESR.

Security Fix(es):

• Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2017-5429, CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5459, CVE-2017-5460, CVE-2017-5464, CVE-2017-5465, CVE-2017-5469)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Mozilla developers and community, Nils, Holger Fuhrmannek, Atte Kettunen, Huzaifa Sidhpurwala, Nicolas Grégoire, Chamal De Silva, Chun Han Hsiao, Ivan Fratric of Google Project Zero, Anonymous working with Trend Micro's Zero Day Initiative, and Petr Cerny as the original reporters.

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 Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 1443298 - CVE-2017-5442 Mozilla: Use-after-free during style changes (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443299 - CVE-2017-5443 Mozilla: Out-of-bounds write during BinHex decoding (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443301 - CVE-2017-5429 Mozilla: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1 (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443303 - CVE-2017-5464 Mozilla: Memory corruption with accessibility and DOM manipulation (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443304 - CVE-2017-5465 Mozilla: Out-of-bounds read in ConvolvePixel (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443308 - CVE-2017-5460 Mozilla: Use-after-free in frame selection (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443310 - CVE-2017-5448 Mozilla: Out-of-bounds write in ClearKeyDecryptor (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443311 - CVE-2017-5449 Mozilla: Crash during bidirectional unicode manipulation with animation (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443312 - CVE-2017-5446 Mozilla: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443313 - CVE-2017-5447 Mozilla: Out-of-bounds read during glyph processing (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443314 - CVE-2017-5444 Mozilla: Buffer overflow while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443315 - CVE-2017-5445 Mozilla: Uninitialized values used while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443317 - CVE-2017-5469 Mozilla: Potential Buffer overflow in flex-generated code (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443322 - CVE-2017-5440 Mozilla: Use-after-free in txExecutionState destructor during XSLT processing (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443323 - CVE-2017-5441 Mozilla: Use-after-free with selection during scroll events (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443324 - CVE-2017-5439 Mozilla: Use-after-free in nsTArray Length() during XSLT processing (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443325 - CVE-2017-5438 Mozilla: Use-after-free in nsAutoPtr during XSLT processing (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443326 - CVE-2017-5437 Mozilla: Vulnerabilities in libevent library (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443327 - CVE-2017-5436 Mozilla: Out-of-bounds write with malicious font in Graphite 2 (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443328 - CVE-2017-5435 Mozilla: Use-after-free during transaction processing in the editor (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443329 - CVE-2017-5434 Mozilla: Use-after-free during focus handling (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443330 - CVE-2017-5433 Mozilla: Use-after-free in SMIL animation functions (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443332 - CVE-2017-5432 Mozilla: Use-after-free in text input selection (MFSA 2017-11, MFSA 2017-12)
• BZ - 1443333 - CVE-2017-5459 Mozilla: Buffer overflow in WebGL (MFSA 2017-11, MFSA 2017-12)

CVEs

• CVE-2016-10195
• CVE-2016-10196
• CVE-2016-10197
• CVE-2017-5429
• CVE-2017-5432
• CVE-2017-5433
• CVE-2017-5434
• CVE-2017-5435
• CVE-2017-5436
• CVE-2017-5438
• CVE-2017-5439
• CVE-2017-5440
• CVE-2017-5441
• CVE-2017-5442
• CVE-2017-5443
• CVE-2017-5444
• CVE-2017-5445
• CVE-2017-5446
• CVE-2017-5447
• CVE-2017-5448
• CVE-2017-5449
• CVE-2017-5459
• CVE-2017-5460
• CVE-2017-5464
• CVE-2017-5465
• CVE-2017-5469

References

• https://access.redhat.com/security/updates/classification/#critical
• https://www.mozilla.org/en-US/security/advisories/mfsa2017-08