CVE-2021-30785
published 2021-09-08CVE-2021-30785: A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update…
PriorityP342high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
1.84%
76.6th percentile
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | icloud_for_windows | — | — |
| apple | ios | >= unspecified < 14.7 | 14.7 |
| apple | ios_14.7_and_ipados | — | — |
| apple | iphone_os | < 14.7 | 14.7 |
| apple | itunes_12.11.4_for_windows | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | 10.15 – 10.15.6 | — |
| apple | macos | < 11.5 | 11.5 |
| apple | macos | >= unspecified < 11.5 | 11.5 |
| apple | macos | >= unspecified < 14.7 | 14.7 |
| apple | macos | >= unspecified < 7.6 | 7.6 |
| apple | security_update_catalina | >= unspecified < 2021 | 2021 |
| apple | tvos | < 14.7 | 14.7 |
| apple | watchos | < 7.6 | 7.6 |
| msrc | cbl2_ntfs-3g_2022.5.17-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl_mariner_2.0_arm | — | — |
| msrc | cbl_mariner_2.0_x64 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
vendor_msrc6.7MEDIUM
vendor_redhat6.7MEDIUM
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Red Hat
ntfs-3g: a file handle created in fuse_lib_opendir, and later used in fuse_lib_readdir, enables arbitrary memory read and write operations
vendor_redhat·2022-05-26·CVSS 6.7
CVE-2022-30785 [MEDIUM] CWE-125 ntfs-3g: a file handle created in fuse_lib_opendir, and later used in fuse_lib_readdir, enables arbitrary memory read and write operations
ntfs-3g: a file handle created in fuse_lib_opendir, and later used in fuse_lib_readdir, enables arbitrary memory read and write operations
A file handle created in fuse_lib_opendir, and later used in fuse_lib_readdir, enables arbitrary memory read and write operations in NTFS-3G through 2021.8.22 when using libfuse-lite.
A vulnerability was found in NTFS-3G. A file handle created in fuse_lib_opendir and later used in fuse_lib_readdir allows out-of-bounds read/write operations.
Statement: The package libguestfs-winsupport, as shipped with Red Hat Enterprise Linux, is not affected by this vulnerability as it does not use the internal libfuse, known as libfuse-lite or libfuse2.
Package: libguestfs-winsupport (Red Hat Enterprise Linux 7) - Out of support scope
Package: virt:rhel/libguestf
Microsoft
A file handle created in fuse_lib_opendir and later used in fuse_lib_readdir enables arbitrary memory read and write operations in NTFS-3G through 2021.8.22 when using libfuse-lite.
vendor_msrc·2022-05-10·CVSS 6.7
CVE-2022-30785 [MEDIUM] A file handle created in fuse_lib_opendir and later used in fuse_lib_readdir enables arbitrary memory read and write operations in NTFS-3G through 2021.8.22 when using libfuse-lite.
A file handle created in fuse_lib_opendir and later used in fuse_lib_readdir enables arbitrary memory read and write operations in NTFS-3G through 2021.8.22 when using libfuse-lite.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect thi
Apple
CVE-2021-30785: iCloud for Windows 12.5
vendor_apple·2021-08-16·CVSS 7.8
CVE-2021-30785 [HIGH] CVE-2021-30785: iCloud for Windows 12.5
Apple Security Update: About the security content of iCloud for Windows 12.5
Product: iCloud for Windows
Version: 12.5
CVE: CVE-2021-30785
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A buffer overflow was addressed with improved bounds checking.
Apple
CVE-2021-30785: iTunes 12.11.4 for Windows
vendor_apple·2021-08-09·CVSS 7.8
CVE-2021-30785 [HIGH] CVE-2021-30785: iTunes 12.11.4 for Windows
Apple Security Update: About the security content of iTunes 12.11.4 for Windows
Product: iTunes 12.11.4 for Windows
CVE: CVE-2021-30785
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A buffer overflow was addressed with improved bounds checking.
Apple
CVE-2021-30785: iOS 14.7 and iPadOS 14.7
vendor_apple·CVSS 7.8
CVE-2021-30785 [HIGH] CVE-2021-30785: iOS 14.7 and iPadOS 14.7
Apple Security Update: About the security content of iOS 14.7 and iPadOS 14.7
Product: iOS 14.7 and iPadOS
Version: 14.7
CVE: CVE-2021-30785
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A buffer overflow was addressed with improved bounds checking.
GHSA
GHSA-8rmr-f55v-w9w6: A buffer overflow was addressed with improved bounds checking
ghsa_unreviewed·2022-05-24
CVE-2021-30785 [HIGH] CWE-120 GHSA-8rmr-f55v-w9w6: A buffer overflow was addressed with improved bounds checking
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.
No detection rules found.
No public exploits indexed.
Qualys
iOS and iPadOS 14.7 and 14.7.1 Security Update: Discover Vulnerabilities and Take Remote Response Action Using VMDR for Mobile Devices | Qualys
blogs_qualys·2021-07-28·CVSS 7.8
[HIGH] iOS and iPadOS 14.7 and 14.7.1 Security Update: Discover Vulnerabilities and Take Remote Response Action Using VMDR for Mobile Devices | Qualys
Apple recently released iOS and iPadOS 14.7 and 14.7.1 which include a security update that addresses almost 38 vulnerabilities, among them several critical RCE and privilege escalation vulnerabilities. Qualys recommends that security teams should immediately update all devices running iOS and iPadOS to the latest version.
The vulnerabilities affect iOS and iPadOS components including ImageIO, Kernel, Preferences, Model I/O, Image Processing, WebKit, FontParser, and others. Apple has for the third time released a minor release (14.7.1) after a major release (14.7) to fix a critical vulnerability (CVE-2021-30807) that has been actively exploited. Successful exploitation of the vulnerability allows an application to execute arbitrary code with kernel privileges. Spyware like Pegasus might e
Qualys
iOS and iPadOS 14.7 and 14.7.1 Security Update: Discover Vulnerabilities and Take Remote Response Action Using VMDR for Mobile Devices
blogs_qualys·2021-07-28·CVSS 7.8
[HIGH] iOS and iPadOS 14.7 and 14.7.1 Security Update: Discover Vulnerabilities and Take Remote Response Action Using VMDR for Mobile Devices
Apple recently released iOS and iPadOS 14.7 and 14.7.1 which include a security update that addresses almost 38 vulnerabilities, among them several critical RCE and privilege escalation vulnerabilities. Qualys recommends that security teams should immediately update all devices running iOS and iPadOS to the latest version.
The vulnerabilities affect iOS and iPadOS components including ImageIO, Kernel, Preferences, Model I/O, Image Processing, WebKit, FontParser, and others. Apple has for the third time released a minor release (14.7.1) after a major release (14.7) to fix a critical vulnerability (CVE-2021-30807) that has been actively exploited. Successful exploitation of the vulnerability allows an application to execute arbitrary code with kernel privileges. Spyware like Pegasus might e
https://support.apple.com/en-us/HT212600https://support.apple.com/en-us/HT212601https://support.apple.com/en-us/HT212602https://support.apple.com/en-us/HT212604https://support.apple.com/en-us/HT212605https://www.zerodayinitiative.com/advisories/ZDI-22-353/https://support.apple.com/en-us/HT212600https://support.apple.com/en-us/HT212601https://support.apple.com/en-us/HT212602https://support.apple.com/en-us/HT212604https://support.apple.com/en-us/HT212605https://www.zerodayinitiative.com/advisories/ZDI-22-353/
2021-09-08
Published