Issues

• boot_copy_image: copy size wrong when boot_read_image_size fails or the image ends on a sector boundary (OVERWRITE_ONLY_FAST / bootstrap)

  mcu-tools/mcuboot#2924 · Filter by author simonebonetti987 opened on Oct 23, 2026

• RFC: fwsign, an imgtool-compatible MCUboot image signing tool in Rust

  mcu-tools/mcuboot#2909 · Filter by author mustafaabdullahk opened on Oct 19, 2026
  2

• sim: update ring to 0.17 (RUSTSEC-2025-0009, CVE-2025-4432)

  mcu-tools/mcuboot#2905 · Filter by author MirkoCovizzi opened on Oct 15, 2026
  

• mcumgr: Support 'image erase' command in serial recovery mode

  mcu-tools/mcuboot#2887 · Filter by author Finomnis opened on Oct 8, 2026
  2

• sim: oversized_bootstrap always fails with overwrite-only

  mcu-tools/mcuboot#2873 · Filter by author TheArkadiuszGrzelka opened on Sep 30, 2026

• Allow duplicate custom TLV records in imgtool

  mcu-tools/mcuboot#2871 · Filter by author brendanhaines opened on Sep 30, 2026
  1

• RFC: architecture cleanup for Cortex-A before handoff

  mcu-tools/mcuboot#2869 · Filter by author jerpa77 opened on Sep 28, 2026
  1

• RFC: Decentralized key revocation for MCUboot (MCUBOOT_KEY_REVOCATION_FROM_PRIMARY)

  mcu-tools/mcuboot#2857 · Filter by author michaelcontento opened on Sep 8, 2026

• swap_write_block_size_check() dereferences image 0 flash areas that may never be opened

  mcu-tools/mcuboot#2848 · Filter by author savosaicic opened on Sep 2, 2026
  6

• RFC: Handling flash read errors

  area: coreRFC
  mcu-tools/mcuboot#2845 · Filter by author nordicjm opened on Aug 25, 2026
  3

• bootutil: RSA encrypted image key parsing fails with PKCS#1 RSA private key on Mbed TLS 4 / TF-PSA path

  area: corecrypto
  Bug

  mcu-tools/mcuboot#2833 · Filter by author PunkyProg opened on Aug 13, 2026
  

• Single-slot boot path is duplicated in ports; consider factoring it into boot/bootutil

  mcu-tools/mcuboot#2826 · Filter by author danielriege opened on Aug 6, 2026
  1

• Is a non-bootable secondary image expected to prevent booting an otherwise-valid image 0 entirely?

  mcu-tools/mcuboot#2813 · Filter by author josesimoes opened on Jul 31, 2026
  4

• boot_verify_dependencies() cancels every image's pending upgrade because one unrelated image's slot was never provisioned

  mcu-tools/mcuboot#2812 · Filter by author josesimoes opened on Jul 31, 2026
  7

• boot_serial: direct-image serial-recovery upload to a secondary slot is broken under MCUBOOT_SWAP_USING_OFFSET

  mcu-tools/mcuboot#2810 · Filter by author josesimoes opened on Jul 31, 2026
  8

• Restructure fault injection handling code to facilitate reuse elsewhere

  mcu-tools/mcuboot#2798 · Filter by author UEWBot opened on Jul 21, 2026

• MCUBOOT_BOOTSTRAP re-validates the primary slot on every boot

  mcu-tools/mcuboot#2781 · Filter by author JayToltTech opened on Jul 3, 2026

• Serial recovery: decryption result discarded and SMP success sent before boot_handle_enc_fw() (encrypted image, primary-slot upload)

  mcu-tools/mcuboot#2770 · Filter by author JayToltTech opened on Jun 18, 2026
  1

• feature MCUBOOT_CHECK_HEADER_LOAD_ADDRESS: uses relative address comparison instead of absolute.

  area: coresomeday
  mcu-tools/mcuboot#2768 · Filter by author nvlsianpu opened on Jun 18, 2026
  1

• imgtool rejects using ECDSA for signature verification and RSA-OAEP for key-encryption

  mcu-tools/mcuboot#2764 · Filter by author Phillip0407 opened on Jun 17, 2026
  1

• Support for multiple HW_KEYS

  mcu-tools/mcuboot#2742 · Filter by author jameswalmsley opened on May 25, 2026

• Hope to support SPL (Secondary Program Loader)

  mcu-tools/mcuboot#2740 · Filter by author PeakRacing opened on May 21, 2026

• Scaling sysflash.h beyond supported updateable images - is the macro extension the intended approach?

  mcu-tools/mcuboot#2738 · Filter by author PragatiGarg-eaton opened on May 20, 2026
  4

• zephyr: overflow of serial output buffer

  area: serial recoveryarea: zephyr
  mcu-tools/mcuboot#2708 · Filter by author pfvogel opened on Apr 23, 2026
  1

  

• boot_slots_compatible reads outside of sectors array bounds

  mcu-tools/mcuboot#2697 · Filter by author GerjandeGroot opened on Apr 14, 2026
  4