ID

VAR-202108-2123

CVE

CVE-2021-30851

TITLE

apple's  Safari  Out-of-bounds write vulnerability in products from multiple vendors such as

DESCRIPTION

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution. apple's Safari Products from multiple vendors, such as the following, contain out-of-bounds write vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. A security issue has been found in WebKitGTK and WPE WebKit prior to 2.34.0. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: webkit2gtk3 security, bug fix, and enhancement update Advisory ID: RHSA-2022:1777-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:1777 Issue date: 2022-05-10 CVE Names: CVE-2021-30809 CVE-2021-30818 CVE-2021-30823 CVE-2021-30836 CVE-2021-30846 CVE-2021-30848 CVE-2021-30849 CVE-2021-30851 CVE-2021-30884 CVE-2021-30887 CVE-2021-30888 CVE-2021-30889 CVE-2021-30890 CVE-2021-30897 CVE-2021-30934 CVE-2021-30936 CVE-2021-30951 CVE-2021-30952 CVE-2021-30953 CVE-2021-30954 CVE-2021-30984 CVE-2021-45481 CVE-2021-45482 CVE-2021-45483 CVE-2022-22589 CVE-2022-22590 CVE-2022-22592 CVE-2022-22594 CVE-2022-22620 CVE-2022-22637 ===================================================================== 1. Summary: An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. The following packages have been upgraded to a later upstream version: webkit2gtk3 (2.34.6). Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: webkit2gtk3-2.34.6-1.el8.src.rpm aarch64: webkit2gtk3-2.34.6-1.el8.aarch64.rpm webkit2gtk3-debuginfo-2.34.6-1.el8.aarch64.rpm webkit2gtk3-debugsource-2.34.6-1.el8.aarch64.rpm webkit2gtk3-devel-2.34.6-1.el8.aarch64.rpm webkit2gtk3-devel-debuginfo-2.34.6-1.el8.aarch64.rpm webkit2gtk3-jsc-2.34.6-1.el8.aarch64.rpm webkit2gtk3-jsc-debuginfo-2.34.6-1.el8.aarch64.rpm webkit2gtk3-jsc-devel-2.34.6-1.el8.aarch64.rpm webkit2gtk3-jsc-devel-debuginfo-2.34.6-1.el8.aarch64.rpm ppc64le: webkit2gtk3-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-debuginfo-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-debugsource-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-devel-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-devel-debuginfo-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-jsc-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-jsc-debuginfo-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-jsc-devel-2.34.6-1.el8.ppc64le.rpm webkit2gtk3-jsc-devel-debuginfo-2.34.6-1.el8.ppc64le.rpm s390x: webkit2gtk3-2.34.6-1.el8.s390x.rpm webkit2gtk3-debuginfo-2.34.6-1.el8.s390x.rpm webkit2gtk3-debugsource-2.34.6-1.el8.s390x.rpm webkit2gtk3-devel-2.34.6-1.el8.s390x.rpm webkit2gtk3-devel-debuginfo-2.34.6-1.el8.s390x.rpm webkit2gtk3-jsc-2.34.6-1.el8.s390x.rpm webkit2gtk3-jsc-debuginfo-2.34.6-1.el8.s390x.rpm webkit2gtk3-jsc-devel-2.34.6-1.el8.s390x.rpm webkit2gtk3-jsc-devel-debuginfo-2.34.6-1.el8.s390x.rpm x86_64: webkit2gtk3-2.34.6-1.el8.i686.rpm webkit2gtk3-2.34.6-1.el8.x86_64.rpm webkit2gtk3-debuginfo-2.34.6-1.el8.i686.rpm webkit2gtk3-debuginfo-2.34.6-1.el8.x86_64.rpm webkit2gtk3-debugsource-2.34.6-1.el8.i686.rpm webkit2gtk3-debugsource-2.34.6-1.el8.x86_64.rpm webkit2gtk3-devel-2.34.6-1.el8.i686.rpm webkit2gtk3-devel-2.34.6-1.el8.x86_64.rpm webkit2gtk3-devel-debuginfo-2.34.6-1.el8.i686.rpm webkit2gtk3-devel-debuginfo-2.34.6-1.el8.x86_64.rpm webkit2gtk3-jsc-2.34.6-1.el8.i686.rpm webkit2gtk3-jsc-2.34.6-1.el8.x86_64.rpm webkit2gtk3-jsc-debuginfo-2.34.6-1.el8.i686.rpm webkit2gtk3-jsc-debuginfo-2.34.6-1.el8.x86_64.rpm webkit2gtk3-jsc-devel-2.34.6-1.el8.i686.rpm webkit2gtk3-jsc-devel-2.34.6-1.el8.x86_64.rpm webkit2gtk3-jsc-devel-debuginfo-2.34.6-1.el8.i686.rpm webkit2gtk3-jsc-devel-debuginfo-2.34.6-1.el8.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-30809 https://access.redhat.com/security/cve/CVE-2021-30818 https://access.redhat.com/security/cve/CVE-2021-30823 https://access.redhat.com/security/cve/CVE-2021-30836 https://access.redhat.com/security/cve/CVE-2021-30846 https://access.redhat.com/security/cve/CVE-2021-30848 https://access.redhat.com/security/cve/CVE-2021-30849 https://access.redhat.com/security/cve/CVE-2021-30851 https://access.redhat.com/security/cve/CVE-2021-30884 https://access.redhat.com/security/cve/CVE-2021-30887 https://access.redhat.com/security/cve/CVE-2021-30888 https://access.redhat.com/security/cve/CVE-2021-30889 https://access.redhat.com/security/cve/CVE-2021-30890 https://access.redhat.com/security/cve/CVE-2021-30897 https://access.redhat.com/security/cve/CVE-2021-30934 https://access.redhat.com/security/cve/CVE-2021-30936 https://access.redhat.com/security/cve/CVE-2021-30951 https://access.redhat.com/security/cve/CVE-2021-30952 https://access.redhat.com/security/cve/CVE-2021-30953 https://access.redhat.com/security/cve/CVE-2021-30954 https://access.redhat.com/security/cve/CVE-2021-30984 https://access.redhat.com/security/cve/CVE-2021-45481 https://access.redhat.com/security/cve/CVE-2021-45482 https://access.redhat.com/security/cve/CVE-2021-45483 https://access.redhat.com/security/cve/CVE-2022-22589 https://access.redhat.com/security/cve/CVE-2022-22590 https://access.redhat.com/security/cve/CVE-2022-22592 https://access.redhat.com/security/cve/CVE-2022-22594 https://access.redhat.com/security/cve/CVE-2022-22620 https://access.redhat.com/security/cve/CVE-2022-22637 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. For the oldstable distribution (buster), these problems have been fixed in version 2.34.1-1~deb10u1. For the stable distribution (bullseye), these problems have been fixed in version 2.34.1-1~deb11u1. We recommend that you upgrade your webkit2gtk packages. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8 watchOS 8 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212819. Accessory Manager Available for: Apple Watch Series 3 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory consumption issue was addressed with improved memory handling. CVE-2021-30837: an anonymous researcher AppleMobileFileIntegrity Available for: Apple Watch Series 3 and later Impact: A local attacker may be able to read sensitive information Description: This issue was addressed with improved checks. CVE-2021-30811: an anonymous researcher working with Compartir bootp Available for: Apple Watch Series 3 and later Impact: A device may be passively tracked by its WiFi MAC address Description: A user privacy issue was addressed by removing the broadcast MAC address. CVE-2021-30866: Fabien Duchêne of UCLouvain (Belgium) Entry added October 25, 2021 CoreAudio Available for: Apple Watch Series 3 and later Impact: Processing a malicious audio file may result in unexpected application termination or arbitrary code execution Description: A logic issue was addressed with improved state management. CVE-2021-30834: JunDong Xie of Ant Security Light-Year Lab Entry added October 25, 2021 FaceTime Available for: Apple Watch Series 3 and later Impact: An application with microphone permission may unexpectedly access microphone input during a FaceTime call Description: A logic issue was addressed with improved validation. CVE-2021-30882: Adam Bellard and Spencer Reitman of Airtime Entry added October 25, 2021 FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted font may result in the disclosure of process memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-30831: Xingwei Lin of Ant Security Light-Year Lab Entry added October 25, 2021 FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30840: Xingwei Lin of Ant Security Light-Year Lab Entry added October 25, 2021 FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30841: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30842: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30843: Xingwei Lin of Ant Security Light-Year Lab Foundation Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2021-30852: Yinyi Wu (@3ndy1) of Ant Security Light-Year Lab Entry added October 25, 2021 ImageIO Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2021-30814: hjy79425575 Entry added October 25, 2021 ImageIO Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30835: Ye Zhang of Baidu Security CVE-2021-30847: Mike Zhang of Pangu Lab Kernel Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2021-30857: Zweig of Kunlun Lab libexpat Available for: Apple Watch Series 3 and later Impact: A remote attacker may be able to cause a denial of service Description: This issue was addressed by updating expat to version 2.4.1. CVE-2013-0340: an anonymous researcher Preferences Available for: Apple Watch Series 3 and later Impact: An application may be able to access restricted files Description: A validation issue existed in the handling of symlinks. CVE-2021-30855: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) Preferences Available for: Apple Watch Series 3 and later Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: A logic issue was addressed with improved state management. CVE-2021-30854: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) Sandbox Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to modify protected parts of the file system Description: This issue was addressed with improved checks. CVE-2021-30808: Csaba Fitzl (@theevilbit) of Offensive Security Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: Visiting a maliciously crafted website may reveal a user's browsing history Description: The issue was resolved with additional restrictions on CSS compositing. CVE-2021-30884: an anonymous researcher Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved state handling. CVE-2021-30818: Amar Menezes (@amarekano) of Zon8Research Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: An attacker in a privileged network position may be able to bypass HSTS Description: A logic issue was addressed with improved restrictions. CVE-2021-30823: David Gullasch of Recurity Labs Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted audio file may disclose restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-30836: Peter Nguyen Vu Hoang of STAR Labs Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2021-30809: an anonymous researcher Entry added October 25, 2021 WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30846: Sergei Glazunov of Google Project Zero WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2021-30851: Samuel Groß of Google Project Zero Wi-Fi Available for: Apple Watch Series 3 and later Impact: An attacker in physical proximity may be able to force a user onto a malicious Wi-Fi network during device setup Description: An authorization issue was addressed with improved state management. CVE-2021-30810: an anonymous researcher Additional recognition Sandbox We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance. UIKit We would like to acknowledge an anonymous researcher for their assistance. Installation note: Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641 To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About". Alternatively, on your watch, select "My Watch > General > About". Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEePiLW1MrMjw19XzoeC9qKD1prhgFAmF4h0EACgkQeC9qKD1p rhjcPxAA0x7qg2GycQ0GJb8VqWSNGGbhKVkwocTvEtOKZmebfdCXWnJ6vycp731f Zz5AtfK1S/SIaQbLLTsZUwuVN9AweRvymsuK3EYCPBupi0hA7G0CQudQ9jFfa70+ cfqW2CLrkZB9FiD0Y6hLRaUR/WczdCeFnD87I4XziqM8JVfPi1YMZ3QndLFR+qoR DOH5cVZQg/EYNuynyIUtLpsbtLCzGiYdkuDb1xozgklY8SYLhOsGP4tbU7ACpbRs 7DEU1laGGByyGz8T3/Z9n7x1589lxDk7VSUPflnv0Fq6FYiahAvKOZQDsAjhs1sI YA4QvtjsEjRq/p/rnElrMYd91e/QuOtixFcYY360YP/FPhHGfBHS7dEko5q/6JwG mGrjm/rHMVfsqSzoLZShdDQrRKz76mW0F2bWWggQqka4GxHtDNGPpYYQJLndQqvu W0RxoYFNBFex39na/nqkVjJNAO1GRFoZy1B0PpjgKbwV3Wn4pGgHcj5ToC15oGUJ 078BFgQW4ucEj59d9hWg0di4JEgFFgph5KwO66BY0LUrHdHVpC5GGccxt1aDXC0j i2uJIlofj/mU1PUBZ0vZ1JP2tDGgEmcKzgStCtYS4ZqK01wA6kKWfF0jpsbFGnXe 57sksI5rtKpbiIiZ4/GRhIQTUNRgIOPoy9rUZnbAtWuUKXWZIrw= =mdve -----END PGP SIGNATURE----- . CVE-2021-30851: Samuel Groß of Google Project Zero Installation note: This update may be obtained from the Mac App Store

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

TYPE

code execution

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2026-02-07T22:03:57.033000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE