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CVE-2021-30858

Status Candidate

Overview

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Related Files

Red Hat Security Advisory 2022-0075-03
Posted Jan 12, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0075-03 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include code execution and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-30858
SHA-256 | 3719291aaf7e31a07ab6664ae487b616f0ae4dfe2dd92c9873d71a0d324490c0
Red Hat Security Advisory 2022-0059-03
Posted Jan 12, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0059-03 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include code execution and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-30858
SHA-256 | 7ea78cedc610b96d2b09e66441450b9b5966b969e4b6258e9c87fac6ae033798
Red Hat Security Advisory 2021-4686-01
Posted Nov 16, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4686-01 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include code execution and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-30858
SHA-256 | 59fc608642c39ed34840ad8fa2ba4a26855f03cce93c2014dac2e17a317f839f
Red Hat Security Advisory 2021-4097-01
Posted Nov 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4097-01 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include code execution and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-30858
SHA-256 | 758e2b7205b8f672f706d3a22dfa85c8e778e9fc973c8ec8e5f7566dbc67b6c6
Debian Security Advisory 4975-1
Posted Sep 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4975-1 - Vulnerabilities have been discovered in the webkit2gtk web engine.

tags | advisory, web, vulnerability
systems | linux, debian
advisories | CVE-2021-30858
SHA-256 | 354b5be51d57f019107d08c3e6a1c194b278396fc086352a972819a0b4c52d4f
Debian Security Advisory 4976-1
Posted Sep 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4976-1 - Vulnerabilities have been discovered in the webkit2gtk web engine.

tags | advisory, web, vulnerability
systems | linux, debian
advisories | CVE-2021-30858
SHA-256 | 2875eed4ac197c4faf5b97c96bb75a711a9936e46f225a9d62c0ce24f02dd76d
Apple Security Advisory 2021-09-23-1
Posted Sep 24, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-23-1 - iOS 12.5.5 addresses code execution, integer overflow, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple, ios
advisories | CVE-2021-30858, CVE-2021-30860, CVE-2021-30869
SHA-256 | beac8839ec4a337a5772b10bfb87dd0706785ded91d5f64cec923c300438f091
Ubuntu Security Notice USN-5087-1
Posted Sep 23, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5087-1 - A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2021-30858
SHA-256 | 9cc69084dd08afb757dc1fd685e2412d02f64ee88ec4166bda357cb3cb01effa
Apple Security Advisory 2021-09-20-7
Posted Sep 22, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-20-7 - macOS Big Sur 11.6 addresses buffer overflow, bypass, code execution, denial of service, integer overflow, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2013-0340, CVE-2021-22925, CVE-2021-30827, CVE-2021-30828, CVE-2021-30829, CVE-2021-30830, CVE-2021-30832, CVE-2021-30841, CVE-2021-30842, CVE-2021-30843, CVE-2021-30844, CVE-2021-30845, CVE-2021-30847, CVE-2021-30850, CVE-2021-30853, CVE-2021-30855, CVE-2021-30857, CVE-2021-30858, CVE-2021-30859, CVE-2021-30860, CVE-2021-30865
SHA-256 | 1b7116003ae9324faabf7c874f2002ab9bb8a2edd95f965df9b3b9f451f0674a
Apple Security Advisory 2021-09-20-6
Posted Sep 22, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-20-6 - iOS 14.8 and iPadOS 14.8 addresses code execution, denial of service, integer overflow, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple, ios
advisories | CVE-2013-0340, CVE-2021-30820, CVE-2021-30841, CVE-2021-30842, CVE-2021-30843, CVE-2021-30846, CVE-2021-30848, CVE-2021-30849, CVE-2021-30855, CVE-2021-30857, CVE-2021-30858, CVE-2021-30859, CVE-2021-30860
SHA-256 | b4bb452003d59697e054354295ed98806d13ed94329af6f68cfea0ee37b1afc6
Apple Security Advisory 2021-09-13-5
Posted Sep 20, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-13-5 - Safari 14.1.2 addresses code execution and use-after-free vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple
advisories | CVE-2021-30858
SHA-256 | abffb8c6ccaf9c49c31a987a949797bd3a53dd7b12deb3ece0898cc5a594092c
Apple Security Advisory 2021-09-13-3
Posted Sep 19, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-13-3 - macOS Big Sur 11.6 addresses code execution, integer overflow, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2021-30858, CVE-2021-30860
SHA-256 | ff1cad895accdbd69b0b6d6f249dc8ff3d67d5155ba7a222f96b77b9bae48b85
Apple Security Advisory 2021-09-13-1
Posted Sep 18, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-13-1 - iOS 14.8 and iPadOS 14.8 addresses code execution, integer overflow, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple, ios
advisories | CVE-2021-30858, CVE-2021-30860
SHA-256 | de7bd7db1618b4858012fce5189898426da56726a221cdd0eb58135d5a0628e3
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