Firefox < 45 Multiple Vulnerabilities

The specific version of Firefox that the system is running is reportedly affected by the following vulnerabilities:

• Mozilla Firefox contains a flaw in the ValueNumberer::fixupOSROnlyLoop() function in jit/ValueNumbering.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in the Downscaler::BeginFrame() function in image/Downscaler.cpp that is triggered when failing to compute filters for image downscaling. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in the JSScript::maybeSweepTypes() function in vm/TypeInference.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in the DispatchEvents() function in layout/style/nsAnimationManager.h and layout/style/nsTransitionManager.h that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in dom/base/Console.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in the PeerConnectionMedia::SelfDestruct_m() function in media/webrtc/signaling/src/peerconnection/PeerConnectionMedia.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1952)

• Mozilla Firefox contains a flaw in the nsICODecoder::ReadDirEntry() function in image/decoders/nsICODecoder.cpp that is triggered when rendering ICO sub-images. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the nsIDNService::IDNA2008ToUnicode() function in netwerk/dns/nsIDNService.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated when handling image decoding. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the DiscardTransferables() function in vm/StructuredClone.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the Assembler::GetCF32Target() function in jit/arm/Assembler-arm.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the GetPcScript() function in jit/JitFrames.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the JSFunction::isDerivedClassConstructor() function in js/src/jsfun.cpp that is triggered when handling lazy self-hosted functions. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in js/src/jit/Lowering.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the EventListenerManager::HandleEventInternal() function in dom/events/EventListenerManager.cpp. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in layout/base/nsRefreshDriver.cpp that is triggered when handling transition events. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in dom/media/systemservices/CamerasChild.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• libvpx contains a flaw in the vp8_mb_init_dequantizer() function in vp8/decoder/decodeframe.c that is triggered as user-supplied input is not properly validated. With specially crafted media content, a context-dependent attacker can corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• libvpx contains a flaw in the vp8_loop_filter_frame_init() function in media/libvpx/vp8/common/loopfilter.c that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in dom/xslt/xslt/txMozillaTextOutput.cpp that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in dom/gamepad/windows/WindowsGamepad.cpp that is triggered when handling WindowsGamepadService shutdown. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1953)

• Mozilla Firefox contains a flaw in the nsCSPContext::SendReports() function in dom/security/nsCSPContext.cpp that is triggered during the handling of Content Security Policy (CSP) violation reports. This may allow a context-dependent attacker to overwrite arbitrary files on a user’s machine and potentially gain elevated privileges. (CVE-2016-1954)

• Mozilla Firefox contains a flaw in dom/security/nsCSPContext.cpp that is due to Content Security Policy (CSP) violation reports containing full path information for cross-origin iframe navigations in violation of the CSP specification. This may allow a context-dependent attacker to gain unauthorized access to sensitive information. (CVE-2016-1955)

• Mozilla Firefox contains a flaw in gfx/gl/GLContext.cpp when using Intel Video cards that is triggered when performing WebGL operations that require a large amount buffer to be allocated from video memory. This may allow a context-dependent to cause a consumption of memory resources that will persist until the system has been restarted. (CVE-2016-1956)

• Google Stagefright contains a flaw that is triggered during the handling of array destruction during MPEG4 video file processing. This may allow a context-dependent attacker to cause a memory leak, with unspecified consequences.
  (CVE-2016-1957)

• Mozilla Firefox contains an unspecified flaw that may allow a context-dependent attacker to spoof the user’s address bar. No further details have been provided. (CVE-2016-1958)

• Mozilla Firefox contains a flaw in Service Worker Manager that is triggered when handling the Clients API. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1959)

• Mozilla Firefox contains a use-after-free error in the HTML5 string parser. The issue is triggered when parsing a set of table-related tags in a foreign fragment context such as SVG. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1960)

• Mozilla Firefox contains a use-after-free error in the nsHTMLDocument::SetBody() function in dom/html/nsHTMLDocument.cpp. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1961)

• Mozilla Firefox contains a use-after-free error in netwerk/sctp/datachannel/DataChannel.cpp when using multiple WebRTC data channel connections and freeing a data channel connection from within a call. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1962)

• Mozilla Firefox contains a flaw in the FileReader::DoReadData() function in dom/base/FileReader.cpp. The issue is triggered as user-supplied input is not properly validated when handling modifications to local files that occur while they are being read with the FileReader API. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1963)

• Mozilla Firefox contains a use-after-free error in the txAttribute::execute() function in dom/xslt/xslt/txInstructions.cpp that is triggered when handling XML transformation operations. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1964)

• Mozilla Firefox contains a flaw in the nsLocation::SetProtocol() function in dom/base/nsLocation.cpp that is triggered when handling history navigation in combination with the location protocol property. This may allow a context-dependent attacker to spoof the contents of the address bar. (CVE-2016-1965)

• Mozilla Firefox contains a flaw that is triggered when handling history navigation in a restored browser session. This may potentially allow a context-dependent attacker to gain unauthorized access to cross-origin URL information. (CVE-2016-1967)

• Mozilla Firefox contains a pointer underflow condition in the Brotli library. The issue is triggered as user-supplied input is not properly validated when the library is performing decompression. This may allow a context-dependent attacker to cause a buffer overflow, potentially allowing the execution of arbitrary code. (CVE-2016-1968)

• Mozilla Firefox contains a use-after-free flaw in the Netscape Plugin Application Programming Interface (NPAPI) plugin within the nsNPObjWrapper::GetNewOrUsed() function in dom/plugins/base/nsJSNPRuntime.cpp. The issue is triggered when handling malicious scripted web content in concert with the plugin. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1966)

• Mozilla Firefox contains an integer underflow condition in the srtp_unprotect() function in netwerk/srtp/src/srtp/srtp.c that is triggered when handling SRTP packet lenghts. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1970)

• Mozilla Firefox contains a flaw in the I420VideoFrame::CreateFrame() function in WebRTC. The issue is triggered as user-supplied input is not properly validated due to a missing status check. This may potentially allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1971)

• Mozilla Firefox contains a race condition in dom/media/systemservices/CamerasChild.h. The issue is triggered as user-supplied input is not properly validated when handling block-level statistics. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1975)

• Mozilla Firefox contains a use-after-free flaw in DesktopDisplayDevice::operator= in media/webrtc/trunk/webrtc/modules/desktop_capture/desktop_device_info.cc. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1976)

• libvpx contains a use-after-free error in vpx_ports/vpx_once.h related to a race condition. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code.
  (CVE-2016-1972)

• Mozilla Firefox contains a use-after-free error that is triggered by a race condition in GetStaticInstance in WebRTC. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1973)

• Mozilla Firefox contains a flaw in the nsScannerString::AppendUnicodeTo() function in parser/htmlparser/nsScannerString.cpp. The issue is triggered when the program fails to allocate memory during handling of unicode strings. This may allow a context-dependent attacker to potentially execute arbitrary code. (CVE-2016-1974)

• Mozilla Network Security Services (NSS) contains a use-after-free error in the PK11_ImportDERPrivateKeyInfoAndReturnKey() function. The issue is triggered when handling DER encoded keys. This may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code.
  (CVE-2016-1979)

• Graphite/Libgraphite contains a flaw in the Machine::Code::decoder::analysis::set_ref() function. The issue is triggered as user-supplied input is not properly validated. With a specially crafted font, a context-dependent attacker can corrupt memory to cause a denial of service in a process linked against the library or potentially execute arbitrary code. (CVE-2016-1977)

• Graphite/Libgraphite contains a flaw in the GetTableInfo() function in TtfUtil.cpp related to the use of uninitialized memory when handling a specially crafted font. This may allow a context-dependent attacker to have an unspecified impact. (CVE-2016-2790)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the GlyphCache::glyph() function that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2791)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the getAttr() function in Slot.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2792)

• Graphite/Libgraphite contains an out-of-bounds read flaw in CachedCmap.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2793)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the CmapSubtable12NextCodepoint() function in TtfUtil.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2794)

• Graphite/Libgraphite contains a flaw in the FileFace::get_table_fn() function related to the use of uninitialized memory when handling a specially crafted font. This may allow a context-dependent attacker to have an unspecified impact. (CVE-2016-2795)

• Graphite/Libgraphite contains an out-of-bounds write flaw in the vm::Machine::Code::Code() function that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to potentially execute arbitrary code. (CVE-2016-2796)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the CmapSubtable12Lookup() function in TtfUtil.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2797)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the GlyphCache::Loader::Loader() function that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2798)

• Graphite/Libgraphite contains an out-of-bounds write flaw in the setAttr() function in Slot.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to potentially execute arbitrary code. (CVE-2016-2799)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the getAttr() function in Slot.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2800)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the CmapSubtable12Lookup() function in TtfUtil.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2801)

• Graphite/Libgraphite contains an out-of-bounds read flaw in the CmapSubtable4NextCodepoint() function in TtfUtil.cpp that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to crash a process linked against the library or potentially disclose memory contents. (CVE-2016-2802)

• Graphite/Libgraphite contains an out-of-bounds write flaw in the setAttr() function that is triggered when handling maliciously crafted fonts. This may allow a context-dependent attacker to potentially execute arbitrary code. (CVE-2016-1969)