This update upgrades Firefox to version 45.4.0 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-2016-5257, CVE-2016-5278, CVE-2016-5270,     CVE-2016-5272, CVE-2016-5274, CVE-2016-5276,     CVE-2016-5277, CVE-2016-5280, CVE-2016-5281,     CVE-2016-5284, CVE-2016-5250, CVE-2016-5261)

The version of Mozilla Firefox installed on the remote Mac OS X host is prior to 49.0. It is, therefore, affected by multiple vulnerabilities :

  - An out-of-bounds read error exists within file     dom/security/nsCSPParser.cpp when handling content     security policies (CSP) containing empty referrer     directives. An unauthenticated, remote attacker can     exploit this to cause a denial of service condition.
    (CVE-2016-2827)

  - Multiple memory safety issues exist that allow an     unauthenticated, remote attacker to potentially execute     arbitrary code. (CVE-2016-5256, CVE-2016-5257)

  - A heap buffer overflow condition exists in the     nsCaseTransformTextRunFactory::TransformString()     function in layout/generic/nsTextRunTransformations.cpp     when converting text containing certain Unicode     characters. An unauthenticated, remote attacker can     exploit this to execute arbitrary code. (CVE-2016-5270)

  - An out-of-bounds read error exists in the     nsCSSFrameConstructor::GetInsertionPrevSibling()     function in file layout/base/nsCSSFrameConstructor.cpp     when handling text runs. An unauthenticated, remote     attacker can exploit this to disclose memory contents.
    (CVE-2016-5271)

  - A type confusion error exists within file     layout/forms/nsRangeFrame.cpp when handling layout with     input elements. An unauthenticated, remote attacker can     exploit this to execute arbitrary code. (CVE-2016-5272)

  - An unspecified flaw exists in the     HyperTextAccessible::GetChildOffset() function that     allows an unauthenticated, remote attacker to execute     arbitrary code. (CVE-2016-5273)

  - A use-after-free error exists within file     layout/style/nsRuleNode.cpp when handling web animations     during restyling. An unauthenticated, remote attacker     can exploit this to execute arbitrary code.
    (CVE-2016-5274)

  - A buffer overflow condition exists in the     FilterSupport::ComputeSourceNeededRegions() function     when handling empty filters during canvas rendering. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5275)

  - A use-after-free error exists in the     DocAccessible::ProcessInvalidationList() function within     file accessible/generic/DocAccessible.cpp when setting     an aria-owns attribute. An unauthenticated, remote     attacker can exploit this to execute arbitrary code.
    (CVE-2016-5276)

  - A use-after-free error exists in the     nsRefreshDriver::Tick() function when handling web     animations destroying a timeline. An unauthenticated,     remote attacker can exploit this to execute arbitrary     code. (CVE-2016-5277)

  - A buffer overflow condition exists in the     nsBMPEncoder::AddImageFrame() function within file     dom/base/ImageEncoder.cpp when encoding image frames to     images. An unauthenticated, remote attacker can exploit     this to execute arbitrary code. (CVE-2016-5278)

  - A flaw exists that is triggered when handling     drag-and-drop events for files. An unauthenticated,     remote attacker can exploit this disclose the full local     file path. (CVE-2016-5279)

  - A use-after-free error exists in the     nsTextNodeDirectionalityMap::RemoveElementFromMap()     function within file dom/base/DirectionalityUtils.cpp     when handling changing of text direction. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5280)

  - A use-after-free error exists when handling SVG format     content that is being manipulated through script code.
    An unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5281)

  - A flaw exists when handling content that requests     favicons from non-whitelisted schemes that are using     certain URI handlers. An unauthenticated, remote     attacker can exploit this to bypass intended     restrictions. (CVE-2016-5282)

  - A flaw exists that is related to the handling of iframes     that allow an unauthenticated, remote attacker to     conduct an 'iframe src' fragment timing attack,     resulting in disclosure of cross-origin data.
    (CVE-2016-5283)

  - A flaw exists due to the certificate pinning policy for     built-in sites (e.g., addons.mozilla.org) not being     honored when pins have expired. A man-in-the-middle     (MitM) attacker can exploit this to generate a trusted     certificate, which could be used to conduct spoofing     attacks. (CVE-2016-5284)

An update for firefox is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and 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.

Mozilla Firefox is an open source web browser.

This update upgrades Firefox to version 45.4.0 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-2016-5257, CVE-2016-5278, CVE-2016-5270, CVE-2016-5272, CVE-2016-5274, CVE-2016-5276, CVE-2016-5277, CVE-2016-5280, CVE-2016-5281, CVE-2016-5284, CVE-2016-5250, CVE-2016-5261)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Samuel Gross, Brian Carpenter, Mei Wang, Ryan Duff, Catalin Dumitru, Mozilla developers, Christoph Diehl, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, Philipp, Carsten Book, Abhishek Arya, Atte Kettunen, and Nils as the original reporters.

The remote Redhat Enterprise Linux 6 / 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2016:1985 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 45.4.0.

    Security Fix(es):

    * Multiple flaws were found in the processing of malformed web content. A web page containing malicious     content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of     the user running Thunderbird. (CVE-2016-5257)

    Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges     Christoph Diehl, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, Philipp     and Carsten Book as the original reporters.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Multiple security issues have been found in Icedove, Debian's version of the Mozilla Thunderbird mail client: Multiple memory safety errors may lead to the execution of arbitrary code or denial of service.

The version of Mozilla Firefox installed on the remote Windows host is prior to 49. It is, therefore, affected by multiple vulnerabilities as noted in Mozilla Firefox stable channel update release notes for 2016/09/20. Please refer to the release notes for additional information. Note that Nessus has not attempted to exploit these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3076-1 advisory.

    Atte Kettunen discovered an out-of-bounds read when handling certain Content Security Policy (CSP)     directives in some circumstances. If a user were tricked in to opening a specially crafted website, an     attacker could potentially exploit this to cause a denial of service via application crash.
    (CVE-2016-2827)

    Christoph Diehl, Christian Holler, Gary Kwong, Nathan Froyd, Honza Bambas, Seth Fowler, Michael Smith,     Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, and Carsten Book     discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially     crafted website, an attacker could potentially exploit these to cause a denial of service via application     crash, or execute arbitrary code. (CVE-2016-5256, CVE-2016-5257)

    Atte Kettunen discovered a heap buffer overflow during text conversion with some unicode characters. If a     user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5270)

    Abhishek Arya discovered an out of bounds read during the processing of text runs in some circumstances.
    If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit     this to cause a denial of service via application crash. (CVE-2016-5271)

    Abhishek Arya discovered a bad cast when processing layout with input elements in some circumstances. If a     user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5272)

    A crash was discovered in accessibility. If a user were tricked in to opening a specially crafted website,     an attacker could potentially exploit this to execute arbitrary code. (CVE-2016-5273)

    A use-after-free was discovered in web animations during restyling. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to cause a denial of service via     application crash, or execute arbitrary code. (CVE-2016-5274)

    A buffer overflow was discovered when working with empty filters during canvas rendering. If a user were     tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a     denial of service via application crash, or execute arbitrary code. (CVE-2016-5275)

    A use-after-free was discovered in accessibility. If a user were tricked in to opening a specially crafted     website, an attacker could potentially exploit this to cause a denial of service via application crash, or     execute arbitrary code. (CVE-2016-5276)

    A use-after-free was discovered in web animations when destroying a timeline. If a user were tricked in to     opening a specially crafted website, an attacker could potentially exploit this to cause a denial of     service via application crash, or execute arbitrary code. (CVE-2016-5277)

    A buffer overflow was discovered when encoding image frames to images in some circumstances. If a user     were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5278)

    Rafael Gieschke discovered that the full path of files is available to web pages after a drag and drop     operation. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5279)

    Mei Wang discovered a use-after-free when changing text direction. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to cause a denial of service via     application crash, or execute arbitrary code. (CVE-2016-5280)

    Brian Carpenter discovered a use-after-free when manipulating SVG content in some circumstances. If a user     were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5281)

    Richard Newman discovered that favicons can be loaded through protocols not in the allowlist, such as     jar:. (CVE-2016-5282)

    Gavin Sharp discovered a timing attack vulnerability involving document resizes and link colours. If a     user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     obtain sensitive information. (CVE-2016-5283)

    An issue was discovered with the preloaded Public Key Pinning (HPKP). If a machine-in-the-middle (MITM)     attacker was able to obtain a fraudulent certificate for a Mozilla site, they could exploit this by     providing malicious addon updates. (CVE-2016-5284)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Mozilla Firefox was updated to 45.4.0 ESR to fix the following issues (bsc#999701): The following security issue were fixed :

  - MFSA 2016-86/CVE-2016-5270: Heap-buffer-overflow in     nsCaseTransformTextRunFactory::TransformString

  - MFSA 2016-86/CVE-2016-5272: Bad cast in     nsImageGeometryMixin

  - MFSA 2016-86/CVE-2016-5276: Heap-use-after-free in     mozilla::a11y::DocAccessible::ProcessInvalidationList

  - MFSA 2016-86/CVE-2016-5274: use-after-free in     nsFrameManager::CaptureFrameState

  - MFSA 2016-86/CVE-2016-5277: Heap-use-after-free in     nsRefreshDriver::Tick

  - MFSA 2016-86/CVE-2016-5278: Heap-buffer-overflow in     nsBMPEncoder::AddImageFrame

  - MFSA 2016-86/CVE-2016-5280: Use-after-free in     mozilla::nsTextNodeDirectionalityMap::RemoveElementFromM     ap

  - MFSA 2016-86/CVE-2016-5281: use-after-free in     DOMSVGLength

  - MFSA 2016-86/CVE-2016-5284: Add-on update site     certificate pin expiration

  - MFSA 2016-86/CVE-2016-5250: Resource Timing API is     storing resources sent by the previous page

  - MFSA 2016-86/CVE-2016-5261: Integer overflow and memory     corruption in WebSocketChannel

  - MFSA 2016-86/CVE-2016-5257: Various memory safety bugs     fixed in Firefox 49 and Firefox ESR 45.4

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
93643	Scientific Linux Security Update : firefox on SL5.x, SL6.x, SL7.x i386/x86_64 (20160921)	Nessus	Scientific Linux Local Security Checks	2016/9/22	2026/1/23	critical
93660	Mozilla Firefox < 49.0 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	2016/9/22	2026/3/3	critical
93666	CentOS 5 / 6 / 7 : firefox (CESA-2016:1912)	Nessus	CentOS Local Security Checks	2016/9/23	2026/1/23	critical
93843	RHEL 6 / 7 : thunderbird (RHSA-2016:1985)	Nessus	Red Hat Local Security Checks	2016/10/4	2025/4/15	critical
93941	Debian DSA-3690-1 : icedove - security update	Nessus	Debian Local Security Checks	2016/10/11	2026/1/22	critical
117941	Mozilla Firefox < 49 Multiple Vulnerabilities	Nessus	Windows	2018/10/5	2026/6/23	critical
93642	RHEL 5 / 6 / 7 : firefox (RHSA-2016:1912)	Nessus	Red Hat Local Security Checks	2016/9/22	2026/1/23	critical
93683	Ubuntu 14.04 LTS / 16.04 LTS : Firefox vulnerabilities (USN-3076-1)	Nessus	Ubuntu Local Security Checks	2016/9/23	2024/8/27	critical
94043	SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2513-1)	Nessus	SuSE Local Security Checks	2016/10/13	2026/1/21	critical

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