# CVE-2018-1999012: Denial of service in n/a

> Attackers can cause excessive CPU and RAM consumption via specially crafted PVA files, leading to denial of service in FFmpeg.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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:** 23 Jul 2018
- **Updated:** 5 Aug 2024
- **Also known as:** CLEANSTART-2024-LZ69519, DEBIAN-CVE-2018-1999012, GHSA-pvhq-7xgc-xmjm, UBUNTU-CVE-2018-1999012

## What is CVE-2018-1999012?

CVE-2018-1999012 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 23 Jul 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

FFmpeg before commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 contains a CWE-835: Infinite loop vulnerability in pva format demuxer that can result in a Vulnerability that allows attackers to consume excessive amount of resources like CPU and RAM. This attack appear to be exploitable via specially crafted PVA file has to be provided as input. This vulnerability appears to have been fixed in 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 and later.

Weakness: CWE-835 (Loop with Unreachable Exit Condition)

## Which versions are affected by CVE-2018-1999012?

It affects 1 product.


Products: Ffmpeg Ffmpeg.

## How do I fix CVE-2018-1999012?

Apply the vendor's patch.

## Is CVE-2018-1999012 being exploited?

There is no known exploitation of CVE-2018-1999012 in the wild and no public exploit code.

## Other vulnerabilities in Ffmpeg Ffmpeg

- [CVE-2013-0864](https://insights.sbomify.com/CVE-2013-0864/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-0872](https://insights.sbomify.com/CVE-2013-0872/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-0873](https://insights.sbomify.com/CVE-2013-0873/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-4265](https://insights.sbomify.com/CVE-2013-4265/): Null dereference in n/a (critical 10.0)
- [CVE-2011-3937](https://insights.sbomify.com/CVE-2011-3937/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-1999012 and fix it if it is affected.

What it is: CVE-2018-1999012 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 23 Jul 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-2018-1999012 in the wild and no public exploit code.

Affected product: Ffmpeg Ffmpeg. 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-2018-1999012/ (Markdown: https://insights.sbomify.com/CVE-2018-1999012/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-1999012
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-1999012
- OSV: https://osv.dev/vulnerability/CVE-2018-1999012

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-1999012/
Summaries are generated and may contain mistakes; the official description above is the record.