A denial of service issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1, Safari 13.0.5, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. A malicious website may be able to cause a denial of service.

The htmlCurrentChar function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted image may lead to a denial of service.

Audio in Apple OS X before 10.11.5 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.

An issue was discovered in PNGOUT 2020-01-15. When compressing a crafted PNG file, it encounters an integer overflow.

Buffer overflow in Microsoft Windows Media Player 9 and 11.0.5721.5145 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted .mpg file.

Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS before 1.4.4, when kqueue or epoll is used, allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third party information. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-3553.

Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, does not request user confirmation before continuing a large series of downloads, which allows user-assisted remote attackers to cause a denial of service (resource consumption) via a crafted web site.

Microsoft SQL 7.0 server allows a remote attacker to cause a denial of service via a malformed TDS packet.

Off-by-one error in the GIF decoder in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted image.

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in iOS 12.4, tvOS 12.4. A malicious application may be able to restrict access to websites.

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.

When processing subtitles format media file, KMPlayer version 2018.12.24.14 or lower doesn't check object size correctly, which leads to integer underflow then to memory out-of-bound read/write. An attacker can exploit this issue by enticing an unsuspecting user to open a malicious file.

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, watchOS 5.2.1. Processing a maliciously crafted message may lead to a denial of service.

readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. An attacker in a privileged position may be able to perform a denial of service attack.

A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.

A denial of service issue was addressed with improved validation. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. Processing a maliciously crafted image may lead to a denial of service.

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, watchOS 5.2.1. Processing a maliciously crafted message may lead to a denial of service.

An issue was discovered in Foxit 3D Plugin Beta before 9.4.0.16807 for Foxit Reader and PhantomPDF. The application could encounter a Use-After-Free or Type Confusion and crash during handling of certain PDF files that embed specifically crafted 3D content, due to the use of a wild pointer.

An issue was discovered in Foxit 3D Plugin Beta before 9.4.0.16807 for Foxit Reader and PhantomPDF. The application could encounter an Out-of-Bounds Write and crash during the handling of certain PDF files that embed specifically crafted 3D content, because of the improper handling of a logic exception in the IFXASSERT function.

An issue was discovered in Foxit 3D Plugin Beta before 9.4.0.16807 for Foxit Reader and PhantomPDF. The application could encounter an Integer Overflow and crash during the handling of certain PDF files that embed specifically crafted 3D content, because of a free of valid memory.

IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS could allow a remote attacker with intimate knowledge of the server to cause a denial of service when receiving data on the channel. IBM X-Force ID: 166629.

An issue was discovered in Foxit Reader and PhantomPDF before 9.4 on Windows. They allowed Denial of Service (application crash) via image data, because two bytes are written to the end of the allocated memory without judging whether this will cause corruption.

An issue was discovered in Foxit Reader and PhantomPDF before 9.4 on Windows. It is a NULL pointer dereference during PDF parsing.

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

Safari on Apple iPhone OS 3.1.3 for iPod touch allows remote attackers to cause a denial of service (application crash) via a JavaScript loop that attempts to construct an infinitely long string.

SMPlayer 19.5.0 has a buffer overflow via a long .m3u file.

DirectWrite in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly render Unicode characters, which allows remote attackers to cause a denial of service (application hang) via a (1) instant message or (2) web site, aka "DirectWrite Application Denial of Service Vulnerability."

The Remote Desktop Protocol (RDP) service in Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (application hang) via a series of crafted packets, aka "Terminal Server Denial of Service Vulnerability."

The IPMI dissector in Wireshark 1.2.0 through 1.2.4 on Windows allows remote attackers to cause a denial of service (crash) via a crafted packet, related to "formatting a date/time using strftime."

MySQL 5.5.8, when running on Windows, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted packet to TCP port 3306.

Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving Cascading Style Sheets (CSS) token sequences.

Inappropriate implementation in WebRTC in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Multiple buffer overflows in the JBIG2 decoder in Xpdf 3.02pl2 and earlier, CUPS 1.3.9 and earlier, and other products allow remote attackers to cause a denial of service (crash) via a crafted PDF file, related to (1) JBIG2SymbolDict::setBitmap and (2) JBIG2Stream::readSymbolDictSeg.

Opera 9.51 on Windows XP does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (stack consumption or other resource consumption) via a large e-mail message, a related issue to CVE-2006-1173.

cupsd in CUPS 1.3.9 and earlier allows local users, and possibly remote attackers, to cause a denial of service (daemon crash) by adding a large number of RSS Subscriptions, which triggers a NULL pointer dereference. NOTE: this issue can be triggered remotely by leveraging CVE-2008-5184.

A denial of service vulnerability exists in Skype for Business, aka "Microsoft Skype for Business Denial of Service Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Lync, Skype.

A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service via a crafted message.

Multiple memory corruption issues were addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

A resource exhaustion issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "WebKit" component. It allows attackers to cause a denial of service (memory corruption) via a crafted web site.

A denial of service issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

Apple Safari 3.1.1 allows remote attackers to cause a denial of service (application crash) via a file:///%E2 link that triggers an out-of-bounds access, possibly due to a NULL pointer dereference.

A race condition was addressed with additional validation. This issue affected versions prior toiVersions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves a JavaScriptCore function in the "WebKit" component. It allows attackers to trigger an assertion failure by leveraging improper array indexing.