test_avb_key

On Almost Signing Android Builds Introduction An error sometimes encountered by NCC Group consultants is signing Android builds with known private keys. This leaves the device manufacturers and in turn their users vulnerable, even on devices where secure boot is enabled. This blog post has two...

Multiple Rakuten Mobile smartphones shipped with a known private test key for Android Verified Boot

Overview Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. Use of Weak Credentials CWE-1391 - CVE-2026-107153 Masayoshi Matsubara reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under...

CVE-2026-107153

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

CVE-2026-107153

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

CVE-2026-107153

Multiple smartphones provided by Rakuten Mobile, Inc. are vulnerable because they utilize AOSP test keys for their Android Verified Boot (AVB) functionality. If an attacker has physical access to an affected device, they may be able to install a crafted system image . No specific remediation or e...

CVE-2026-107153

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

EUVD-2026-100836

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

PT-2026-113642

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

CVE-2026-107153: Use of Weak Credentials

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot AVB functionality. With physical access to the affected device, a crafted system image may be installed...

Rakuten Mobile Rakuten Mini Trust Management Vulnerability

Rakuten Mobile and Rakuten Mini have vulnerabilities related to trust management. These vulnerabilities stem from the use of the Android Verified Boot AVB feature with AOSP test keys. Attackers could potentially install modified system images by physically accessing affected devices...

CVE-2026-0142

In iavbparsekeydata of avbrsa.c, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-47222

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

CVE-2026-47223 NanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsigned integer overflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. A 32-bit unsigned integer overflow ...

CVE-2026-47223 NanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsigned integer overflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. A 32-bit unsigned integer overflow ...

CVE-2026-47223 NanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsigned integer overflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. A 32-bit unsigned integer overflow ...

CVE-2026-47222 NanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned integer underflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

CVE-2026-47222 NanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned integer underflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

EUVD-2026-36506

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

PT-2026-48929

Name of the Vulnerable Software and Affected Versions NanaZip versions 3.0.1000.0 through 6.0.1697.0 Description A heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a bounds check allows an...

PT-2026-48944

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. A 32-bit unsigned integer overflow ...