# CVE-2026-47318: Memory corruption in rlottie

> A stack-based buffer overflow in the rlottie library allows attackers to execute arbitrary code or cause denial of service.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 4 Jun 2026
- **Updated:** 8 Jun 2026
- **Also known as:** DEBIAN-CVE-2026-47318, GHSA-r436-q6wh-rcxr, UBUNTU-CVE-2026-47318

## What is CVE-2026-47318?

CVE-2026-47318 is a medium-severity memory corruption vulnerability in Samsung Open Source rlottie, published on 4 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Stack-based buffer overflow vulnerability in Samsung Open Source rlottie allows Overflow Buffers.

This issue affects rlottie: before ce72b35a7ad0dded03051d3aa0ef75321c3bd035.

Weakness: CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2026-47318?


## How do I fix CVE-2026-47318?

Apply the vendor's patch.

## Is CVE-2026-47318 being exploited?

There is no known exploitation of CVE-2026-47318 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-47318 and fix it if it is affected.

What it is: CVE-2026-47318 is a medium-severity memory corruption vulnerability in Samsung Open Source rlottie, published on 4 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-47318 in the wild and no public exploit code.

Affected product: Samsung Open Source rlottie. 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-2026-47318/ (Markdown: https://insights.sbomify.com/CVE-2026-47318/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-47318
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-47318
- OSV: https://osv.dev/vulnerability/CVE-2026-47318

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-47318/
Summaries are generated and may contain mistakes; the official description above is the record.