CVE-2021-30846

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

• CWE-787

• http://seclists.org/fulldisclosure/2021/Oct/60Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2021/10/26/9Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/1Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/2Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/4Mailing List
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
• https://support.apple.com/en-us/HT212807Vendor Advisory
• https://support.apple.com/en-us/HT212814Vendor Advisory
• https://support.apple.com/en-us/HT212815Vendor Advisory
• https://support.apple.com/en-us/HT212816Vendor Advisory
• https://support.apple.com/en-us/HT212819Vendor Advisory
• https://support.apple.com/kb/HT212869Vendor Advisory
• https://www.debian.org/security/2021/dsa-4995Third Party Advisory
• https://www.debian.org/security/2021/dsa-4996Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/60Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2021/10/26/9Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/1Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/2Mailing List
• http://www.openwall.com/lists/oss-security/2021/10/27/4Mailing List
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
• https://support.apple.com/en-us/HT212807Vendor Advisory
• https://support.apple.com/en-us/HT212814Vendor Advisory
• https://support.apple.com/en-us/HT212815Vendor Advisory
• https://support.apple.com/en-us/HT212816Vendor Advisory
• https://support.apple.com/en-us/HT212819Vendor Advisory
• https://support.apple.com/kb/HT212869Vendor Advisory
• https://www.debian.org/security/2021/dsa-4995Third Party Advisory
• https://www.debian.org/security/2021/dsa-4996Third Party Advisory

Published

Oct 19, 2021

Last Modified

Jun 17, 2026

Status

Modified