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Tue, 09 Jun 2026 14:30:00 +0000
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| Metrics |
ssvc
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Tue, 09 Jun 2026 08:45:00 +0000
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| First Time appeared |
Zephyrproject-rtos
Zephyrproject-rtos zephyr |
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| Vendors & Products |
Zephyrproject-rtos
Zephyrproject-rtos zephyr |
Tue, 09 Jun 2026 07:45:00 +0000
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| Description | A remote, unauthenticated BLE peer can trigger a 2-byte out-of-bounds write in the Bluetooth host during L2CAP LE CoC SDU reassembly. When the application enables segmentation (via chan_ops.alloc_buf) and the chosen RX pool has a user_data_size smaller than 2 bytes, the segmentation counter stored in the net_buf user_data area is written out of bounds in l2cap_chan_le_recv_seg (subsys/bluetooth/host/l2cap.c). The observed effects are an AddressSanitizer abort and, without ASan, heap corruption / fatal error. | |
| Title | bt: l2cap le coc: remote oob write via seg counter stored in net_buf user_data | |
| Weaknesses | CWE-787 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: zephyr
Published:
Updated: 2026-06-09T13:10:47.215Z
Reserved: 2026-03-27T22:48:19.869Z
Link: CVE-2026-5068
Updated: 2026-06-09T13:10:41.877Z
Status : Awaiting Analysis
Published: 2026-06-09T08:16:29.073
Modified: 2026-06-09T13:53:24.200
Link: CVE-2026-5068
No data.
OpenCVE Enrichment
Updated: 2026-06-09T08:30:35Z