CWE-1335（Incorrect Bitwise Shift of Integer）は各種脆弱性データベースや評価で用いられる弱点タイプを説明します。定義・背景・対応する CVE は以下の各セクションを参照してください。
An integer value is specified to be shifted by a negative amount or an amount greater than or equal to the number of bits contained in the value causing an unexpected or indeterminate result.
| 種別 | 名称 | クラス | 普遍性 | OS / CPE |
|---|---|---|---|---|
| language | C | — | Undetermined | — |
| language | C++ | — | Undetermined | — |
| language | C# | — | Undetermined | — |
| language | Java | — | Undetermined | — |
| language | JavaScript | — | Undetermined | — |
| operating_system | — | Not OS-Specific | Undetermined | — |
| technology | — | Not Technology-Specific | Undetermined | — |
これらの CVE は本データベースでこの弱点に対応付けられており、追跡と検索のために保持されています。
| CVE | 公開 | 概要 |
|---|---|---|
| CVE-2026-5072 | 2026-05-22 | A bitwise shift vulnerability in Zephyr's PTP subsystem allows a remote attacker to cause undefined behavior and potential system crashes. An attacker sends a crafted PTP_MSG_MANAGEMENT message to set… |
| CVE-2026-4426 | 2026-03-19 | A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge exten… |
| CVE-2025-32029 | 2025-04-07 | ts-asn1-der is a collection of utility classes to encode ASN.1 data following DER rule. Incorrect number DER encoding can lead to denial on service for absolute values in the range 2**31 -- 2**32 - 1.… |
| CVE-2023-52810 | 2024-05-21 | In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage l2nbperpage is log2(number of blks per page), and the minimum legal value should be … |
| CVE-2023-3161 | 2023-06-12 | A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-… |
| CVE-2016-9842 | 2017-05-23 | The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers. |
| 日付 | 名称 | バージョン | 重要度 | コメント |
|---|---|---|---|---|
| 2022-10-13 | CWE Content Team | 4.9 | — | updated Demonstrative_Examples, Observed_Examples |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Detection_Factors, Weakness_Ordinalities |
| 2026-04-30 | CWE Content Team | 4.20 | — | updated Observed_Examples |