Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.

An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. The issue involves the "EventKitUI" component. It allows remote attackers to cause a denial of service (resource consumption and application crash).

The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.

libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.

A segmentation fault can occur in the sqlite3.exe command-line component of SQLite 3.36.0 via the idxGetTableInfo function when there is a crafted SQL query. NOTE: the vendor disputes the relevance of this report because a sqlite3.exe user already has full privileges (e.g., is intentionally allowed to execute commands). This report does NOT imply any problem in the SQLite library.

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (resource consumption) via a crafted text message.

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. The issue involves the "WebKit Web Inspector" component. It allows attackers to cause a denial of service (memory corruption and application crash) by leveraging a window-close action during a debugger-pause state.

The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

The RSVP parser in tcpdump before 4.9.3 has a buffer over-read in print-rsvp.c:rsvp_obj_print().

The Babel parser in tcpdump before 4.9.3 has a buffer over-read in print-babel.c:babel_print_v2().

The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 2, a different vulnerability than CVE-2019-15167.

The Rx parser in tcpdump before 4.9.3 has a buffer over-read in print-rx.c:rx_cache_find() and rx_cache_insert().

The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.

The UIKit Alerts component in Apple iOS before 5 allows remote attackers to cause a denial of service (device hang) via a long tel: URL that triggers a large size for the acceptance dialog.

The Cascading Style Sheets (CSS) implementation in Google Chrome before 16.0.912.63 on 64-bit platforms does not properly manage property arrays, which allows remote attackers to cause a denial of service (memory corruption) via unspecified vectors.

Google Chrome before 16.0.912.63 does not properly parse SVG documents, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.

Safari 1.2.4 on Mac OS X 10.3.6 allows remote attackers to cause a denial of service (application crash from memory exhaustion), as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created arrays.

Google Chrome before 14.0.835.163 does not properly handle boxes, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.

The Javascript engine in Safari 1.2 and earlier allows remote attackers to cause a denial of service (segmentation fault) by creating a new Array object with a large size value, then writing into that array.

Unknown vulnerability in CoreFoundation in Mac OS X 10.3.3 and Mac OS X 10.3.3 Server, related to "the handling of an environment variable," has unknown attack vectors and unknown impact.

The arplookup function in FreeBSD 5.1 and earlier, Mac OS X before 10.2.8, and possibly other BSD-based systems, allows remote attackers on a local subnet to cause a denial of service (resource starvation and panic) via a flood of spoofed ARP requests.

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.

Apple QuickTime / Darwin Streaming Server before 4.1.3f allows remote attackers to cause a denial of service (crash) via a request to view_broadcast.cgi that does not contain the required parameters.

jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

An Integer Overflow exists in WebKit in Google Chrome before Blink M11 in the macOS WebCore::GraphicsContext::fillRect function.

An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service via a crafted string.

Google Chrome before 9.0.597.84 on Mac OS X does not properly mitigate an unspecified flaw in the Mac OS X 10.5 SSL libraries, which allows remote attackers to cause a denial of service (application crash) via unknown vectors.

The kernel in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows remote attackers to cause a denial of service (unintended lock) via unspecified vectors.

ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to cause a denial of service (memory consumption) via unspecified vectors.

The File Bookmark component in Apple OS X before 10.12 mishandles scoped-bookmark file descriptors, which allows attackers to cause a denial of service via a crafted app.

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.

Integer overflow in the EVP_EncodeUpdate function in crypto/evp/encode.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (heap memory corruption) via a large amount of binary data.

An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. watchOS before 3.2.3 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service (memory consumption and application crash).

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.

The PMPageFormatCreateWithDataRepresentation API in Printing in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 does not properly handle XML data, which allows attackers to cause a denial of service (NULL pointer dereference and application crash) via unspecified API calls.

Impact Financials, Inc. Impact PDF Reader 2.0, 1.2, and other versions for iPhone and iPod touch allows remote attackers to cause a denial of service (server crash) via a "..." body in a POST request.

A stack overflow issue existed in Swift for Linux. The issue was addressed with improved input validation for dealing with deeply nested malicious JSON input.

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6. A remote attacker may cause an unexpected application termination.

This issue was addressed with improved checks. This issue is fixed in iOS 13.6 and iPadOS 13.6. A remote attacker may be able to cause a denial of service.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. A remote attacker may be able to cause a denial of service.

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A remote attacker may be able to cause a denial of service.

An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8. An attacker in a privileged network position may be able to perform denial of service attack using malformed Bluetooth packets.

AFP Server in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon restart) via crafted reconnect authentication packets.

A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.6. A remote attacker may be able to cause a denial of service.

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause a denial of service.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.6. A remote attacker may cause an unexpected application termination.

In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.

Printer Setup in Apple Mac OS X 10.6 before 10.6.4 does not properly interpret character encoding, which allows remote attackers to cause a denial of service (printing failure) by deploying a printing device that has a Unicode character in its printing-service name.

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.