Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Off-by-one error in the PDF functionality in Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, allows remote attackers to cause a denial of service via a crafted document.

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in application denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

An issue was discovered in certain Apple products. macOS before 10.12 is affected. The issue involves the "Mail" component, which allows remote web servers to cause a denial of service via a crafted URL.

An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue involves the "Graphics Driver" component, which allows remote attackers to cause a denial of service via a crafted video.

An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "CoreGraphics" component. It allows attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted font.

An issue was discovered in certain Apple products. macOS before 10.12.2 is affected. The issue involves the "Bluetooth" component. It allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.

An issue was discovered in certain Apple products. macOS before 10.12.1 is affected. The issue involves the "NVIDIA Graphics Drivers" component. It allows attackers to cause a denial of service (memory corruption) via a crafted app.

YoruFukurou (NightOwl) before 2.85 relies on support for emoji skin-tone modifiers even though this support is missing from the CoreText CTFramesetter API on OS X 10.9, which allows remote attackers to cause a denial of service (application crash) via a crafted emoji character sequence.

The Assets component in Apple iOS before 10 allows man-in-the-middle attackers to block software updates via vectors related to lack of an HTTPS session for retrieving updates.

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.

An issue was discovered in certain Apple products. macOS before 10.12.1 is affected. The issue involves the "ntfs" component, which misparses disk images and allows attackers to cause a denial of service via a crafted app.

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.

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.

Net-SNMP 5.7.1 and earlier, when AgentX is registering to handle a MIB and processing GETNEXT requests, allows remote attackers to cause a denial of service (crash or infinite loop, CPU consumption, and hang) by causing the AgentX subagent to timeout.

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.

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.

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.

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.

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.

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.

Google Chrome before 17.0.963.56 does not properly perform a cast of an unspecified variable during handling of columns, which allows remote attackers to cause a denial of service or possibly have unknown other impact via a crafted document.

Google Chrome before 17.0.963.65 does not properly handle text, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted document.

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunistic circumstances by requesting data.

Adobe Reader and Acrobat 8.x before 8.3, 9.x before 9.4.5, and 10.x before 10.1 on Windows and Mac OS X allow attackers to cause a denial of service (memory corruption) via unspecified vectors.

Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10, and Android, allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via *? sequences in the first argument, as demonstrated by attacks against mod_autoindex in httpd.

MobileSafari in Apple iOS before 4.3 does not properly implement application launching through URL handlers, which allows remote attackers to cause a denial of service (persistent application crash) via crafted JavaScript code.

WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle unspecified "cached resources," which allows remote attackers to cause a denial of service (resource unavailability) via a crafted web site that conducts a cache-poisoning attack.

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

libxml2 before 2.7.8, as used in Google Chrome before 7.0.517.44, Apple Safari 5.0.2 and earlier, and other products, reads from invalid memory locations during processing of malformed XPath expressions, which allows context-dependent attackers to cause a denial of service (application crash) via a crafted XML document.

Memory leak in pngrutil.c in libpng before 1.2.44, and 1.4.x before 1.4.3, allows remote attackers to cause a denial of service (memory consumption and application crash) via a PNG image containing malformed Physical Scale (aka sCAL) chunks.

Safari on Apple iPhone OS 3.1.3 for iPod touch allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long string in a MARQUEE element.

The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a "decompression bomb" attack.

Apple Safari on iPhone OS 3.0.1 allows remote attackers to cause a denial of service (application crash) via a long tel: URL in the SRC attribute of an IFRAME element.

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.

An out-of-bounds read was addressed with improved bounds checking. This issue affected versions prior to iOS 12.1.

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.

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.

The JBIG2 decoder in Xpdf 3.02pl2 and earlier, CUPS 1.3.9 and earlier, Poppler before 0.10.6, and other products allows remote attackers to cause a denial of service (crash) via a crafted PDF file that triggers a NULL pointer dereference.

Apple Safari 3.2.2 and 4 Beta on Windows allows remote attackers to cause a denial of service (application crash) via an XML document containing many nested A elements.

The JBIG2 decoder in Xpdf 3.02pl2 and earlier, CUPS 1.3.9 and earlier, Poppler before 0.10.6, and other products allows remote attackers to cause a denial of service (crash) via a crafted PDF file that triggers an out-of-bounds read.

Apple Safari 3.2.1 (aka AppVer 3.525.27.1) on Windows allows remote attackers to cause a denial of service (infinite loop or access violation) via a link to an http URI in which the authority (aka hostname) portion is either a (1) . (dot) or (2) .. (dot dot) sequence.

The JBIG2 decoder in Xpdf 3.02pl2 and earlier, CUPS 1.3.9 and earlier, and other products allows remote attackers to cause a denial of service (crash) via a crafted PDF file that triggers a free of uninitialized memory.

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

parse_xml.cgi in Apple Darwin Streaming Server 4.1.1 allows remote attackers to determine the existence of arbitrary files by using ".." sequences in the filename parameter and comparing the resulting error messages.

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. Processing a maliciously crafted image may lead to a denial of service.

Adobe Acrobat and Reader versions 2020.006.20042 and earlier, 2017.011.30166 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier have a null pointer vulnerability. Successful exploitation could lead to application denial-of-service.

The Application Store component in Apple iOS before 9 allows remote attackers to cause a denial of service to an enterprise-signed app via a crafted ITMS URL.