CVE intelligence and bounded remediation

CVE-2019-16240 — Hp Pagewide Pro 577Z K9Z76A Firmware security vulnerability

Critical CVSS 9.1

A Buffer Overflow and Information Disclosure issue exists in HP OfficeJet Pro Printers before 001.1937C, and HP PageWide Managed Printers and HP PageWide Pro Printers before 001.1937D exists; A maliciously crafted print file might cause certain HP Inkjet printers to assert. Under certain circumstances, the printer produces a core dump to a local device.

Severity
Critical
CVSS
9.1 (3.1)
Published
2021-11-09
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • hp / pagewide_pro_577z_k9z76a_firmware
  • hp / pagewide_pro_577z_k9z76b_firmware
  • hp / pagewide_pro_577z_k9z76d_firmware
  • hp / pagewide_pro_577dw_d3q21a_firmware
  • hp / pagewide_pro_577dw_d3q21b_firmware
  • hp / pagewide_pro_577dw_d3q21c_firmware

Showing 6 representative product identities from 44 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.