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Vulnerability record · CVE-2021-30849 · published 19 October 2021

CVE-2021-30849: Apple itunes out-of-bounds write vulnerability

Apple · Itunes

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

7.8 CVSS 3.1 High EPSS 1.9% · top 20.7% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
32References
17 Jun 2026Last modified by NVD

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2021/Oct/60 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/61 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/62 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/63 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List
https://support.apple.com/en-us/HT212807 Vendor Advisory
https://support.apple.com/en-us/HT212814 Vendor Advisory
https://support.apple.com/en-us/HT212815 Vendor Advisory
https://support.apple.com/en-us/HT212816 Vendor Advisory
https://support.apple.com/en-us/HT212817 Vendor Advisory
https://support.apple.com/en-us/HT212819 Vendor Advisory
https://support.apple.com/kb/HT212869 Vendor Advisory
https://support.apple.com/kb/HT212953 Vendor Advisory
http://seclists.org/fulldisclosure/2021/Oct/60 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/61 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/62 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/63 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List
https://support.apple.com/en-us/HT212807 Vendor Advisory
https://support.apple.com/en-us/HT212814 Vendor Advisory
https://support.apple.com/en-us/HT212815 Vendor Advisory
https://support.apple.com/en-us/HT212816 Vendor Advisory
https://support.apple.com/en-us/HT212817 Vendor Advisory
https://support.apple.com/en-us/HT212819 Vendor Advisory
https://support.apple.com/kb/HT212869 Vendor Advisory
https://support.apple.com/kb/HT212953 Vendor Advisory

Track CVE-2021-30849 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-30849), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.