CVE-2021-4327

A vulnerability was found in SerenityOS. It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability.

• CWE-190
• CWE-190

• https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.htmlExploit, Third Party Advisory
• https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60Patch
• https://vuldb.com/?ctiid.222074Permissions Required, Third Party Advisory
• https://vuldb.com/?id.222074Permissions Required, Third Party Advisory
• https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.htmlExploit, Third Party Advisory
• https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60Patch
• https://vuldb.com/?ctiid.222074Permissions Required, Third Party Advisory
• https://vuldb.com/?id.222074Permissions Required, Third Party Advisory

Published

Mar 1, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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