# CVE-2019-12981: Memory corruption in n/a

> A buffer overflow in libming's SWFShape_setLeftFillStyle function allows attackers to cause denial of service or execute arbitrary code.

- **Severity:** High 8.8 (`CVSS:3.1/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:** No
- **Published:** 26 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-qjwj-w442-7ww7, UBUNTU-CVE-2019-12981

## What is CVE-2019-12981?

CVE-2019-12981 is a high-severity memory corruption vulnerability in Libming Libming, published on 26 Jun 2019. 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

Ming (aka libming) 0.4.8 has an "fill overflow" vulnerability in the function SWFShape_setLeftFillStyle in blocks/shape.c.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2019-12981?

It affects 1 product.


Products: Libming Libming.

## How do I fix CVE-2019-12981?

No fix has been published for CVE-2019-12981 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-12981 being exploited?

There is no known exploitation of CVE-2019-12981 in the wild and no public exploit code.

## Other vulnerabilities in Libming Libming

- [CVE-2023-50628](https://insights.sbomify.com/CVE-2023-50628/): Memory corruption in n/a (critical 9.8)
- [CVE-2020-11894](https://insights.sbomify.com/CVE-2020-11894/): Memory corruption in n/a (critical 9.1)
- [CVE-2020-11895](https://insights.sbomify.com/CVE-2020-11895/): Memory corruption in n/a (critical 9.1)
- [CVE-2019-16705](https://insights.sbomify.com/CVE-2019-16705/): Information disclosure in n/a (critical 9.1)
- [CVE-2023-36239](https://insights.sbomify.com/CVE-2023-36239/): Memory corruption in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-12981 and fix it if it is affected.

What it is: CVE-2019-12981 is a high-severity memory corruption vulnerability in Libming Libming, published on 26 Jun 2019. 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-2019-12981 in the wild and no public exploit code.

Affected product: Libming Libming. 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-2019-12981/ (Markdown: https://insights.sbomify.com/CVE-2019-12981/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-12981
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-12981
- OSV: https://osv.dev/vulnerability/CVE-2019-12981

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-12981/
Summaries are generated and may contain mistakes; the official description above is the record.