# CVE-2018-19532: Null dereference in n/a

> An attacker can cause a denial of service via a null pointer dereference in the PoDoFo PDF library when creating PDF objects.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 26 Nov 2018
- **Updated:** 5 Aug 2024
- **Also known as:** DEBIAN-CVE-2018-19532, GHSA-qp6c-p26q-wjqf, UBUNTU-CVE-2018-19532

## What is CVE-2018-19532?

CVE-2018-19532 is a high-severity vulnerability in Podofo Project Podofo, published on 26 Nov 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A NULL pointer dereference vulnerability exists in the function PdfTranslator::setTarget() in pdftranslator.cpp of PoDoFo 0.9.6, while creating the PdfXObject, as demonstrated by podofoimpose. It allows an attacker to cause Denial of Service.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2018-19532?

It affects 1 product.


Products: Podofo Project Podofo.

## How do I fix CVE-2018-19532?

Apply the vendor's patch.

## Is CVE-2018-19532 being exploited?

There is no known exploitation of CVE-2018-19532 in the wild and no public exploit code.

## Other vulnerabilities in Podofo Project Podofo

- [CVE-2017-8378](https://insights.sbomify.com/CVE-2017-8378/): Memory corruption in n/a (critical 9.8)
- [CVE-2015-8981](https://insights.sbomify.com/CVE-2015-8981/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-31556](https://insights.sbomify.com/CVE-2023-31556/): Memory corruption in n/a (high 8.8)
- [CVE-2023-31566](https://insights.sbomify.com/CVE-2023-31566/): Use after free in n/a (high 8.8)
- [CVE-2023-31567](https://insights.sbomify.com/CVE-2023-31567/): Memory corruption in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-19532 and fix it if it is affected.

What it is: CVE-2018-19532 is a high-severity vulnerability in Podofo Project Podofo, published on 26 Nov 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-19532 in the wild and no public exploit code.

Affected product: Podofo Project Podofo. 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-2018-19532/ (Markdown: https://insights.sbomify.com/CVE-2018-19532/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-19532
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-19532
- OSV: https://osv.dev/vulnerability/CVE-2018-19532

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-19532/
Summaries are generated and may contain mistakes; the official description above is the record.