CVE intelligence and bounded remediation

CVE-2019-5999 — Canon Eos-1D X Firmware security vulnerability

High CVSS 8.8

Buffer overflow in PTP (Picture Transfer Protocol) of EOS series digital cameras (EOS-1D X firmware version 2.1.0 and earlier, EOS-1D X MKII firmware version 1.1.6 and earlier, EOS-1D C firmware version 1.4.1 and earlier, EOS 5D MARK III firmware version 1.3.5 and earlier, EOS 5D MARK IV firmware version 1.2.0 and earlier, EOS 5DS firmware version 1.1.2 and earlier, EOS 5DS R firmware version 1.1.2 and earlier, EOS 6D firmware version 1.1.8 and earlier, EOS 6D MARK II firmware version 1.0.4 and earlier, EOS 7D MARK II firmware version 1.1.2 and earlier, EOS 70 D firmware version 1.1.2 and earlier, EOS 80 D firmware version 1.0.2 and earlier, EOS KISS X7I / EOS D REBEL T5I / EOS 700D firmware version 1.1.5 and earlier, EOS KISS X8I / EOS D REBEL T6I / EOS 750D firmware version 1.0.0 and earlier, EOS KISS X9I / EOS D REBEL T7I / EOS 800D firmware version 1.0.1 and earlier, EOS KISS X7 / EOS D REBEL SL1 / EOS 100D firmware version 1.0.1 and earlier, EOS KISS X9 / EOS D REBEL SL2 / EOS 200D firmware version 1.0.1 and earlier, EOS KISS X10 / EOS D REBEL SL3 / EOS 200D / EOS 250D firmware version 1.0.1 and earlier, EOS 8000D / EOS D REBEL T6S / EOS 760D firmware version 1.0.0 and earlie…

Severity
High
CVSS
8.8 (3.0)
Published
2019-08-06
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-787

Affected products

  • canon / eos-1d_x_firmware
  • canon / eos-1d_x_mkii_firmware
  • canon / eos-1d_c_firmware
  • canon / eos_5d_mark_iii_firmware
  • canon / eos_5d_mark_iv_firmware
  • canon / eos_5ds_firmware

Showing 6 representative product identities from 67 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.