# CVE-2019-6326: Memory corruption in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series

> A buffer overflow in the embedded web server of HP LaserJet printers allows attackers to execute arbitrary code or cause a denial of service.

- **Severity:** High 7.2 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-3qcx-4983-xfxp

## What is CVE-2019-6326?

CVE-2019-6326 is a high-severity memory corruption vulnerability in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series, published on 17 Jun 2019. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

HP Color LaserJet Pro M280-M281 Multifunction Printer series (before v. 20190419), HP LaserJet Pro MFP M28-M31 Printer series (before v. 20190426) may have embedded web server attributes which may be potentially vulnerable to Buffer Overflow.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2019-6326?

It affects 10 products.


Products: Hp T6b80a Firmware, Hp T6b81a Firmware, Hp T6b82a Firmware, Hp T6b83a Firmware, Hp W2g54a Firmware, Hp W2g55a Firmware, Hp Y5s50a Firmware, Hp Y5s53a Firmware, Hp Y5s54a Firmware, Hp Y5s55a Firmware.

## How do I fix CVE-2019-6326?

No fix has been published for CVE-2019-6326 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6326 being exploited?

There is no known exploitation of CVE-2019-6326 in the wild and no public exploit code.

## Other vulnerabilities in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series

- [CVE-2019-6325](https://insights.sbomify.com/CVE-2019-6325/): Cross-site request forgery in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series (high 8.8)
- [CVE-2019-6323](https://insights.sbomify.com/CVE-2019-6323/): Cross-site scripting in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series (medium 6.1)
- [CVE-2019-6324](https://insights.sbomify.com/CVE-2019-6324/): Cross-site scripting in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6326 and fix it if it is affected.

What it is: CVE-2019-6326 is a high-severity memory corruption vulnerability in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series, published on 17 Jun 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-6326 in the wild and no public exploit code.

Affected product: HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-6326/ (Markdown: https://insights.sbomify.com/CVE-2019-6326/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6326
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6326
- OSV: https://osv.dev/vulnerability/CVE-2019-6326

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-6326/
Summaries are generated and may contain mistakes; the official description above is the record.