# CVE-2023-47471: Memory corruption in n/a

> A local attacker can cause a denial of service via a buffer overflow in the libde265 video codec library.

- **Severity:** Medium 6.5 (`CVSS:3.1/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:** 16 Nov 2023
- **Updated:** 2 Aug 2024
- **Also known as:** DEBIAN-CVE-2023-47471, GHSA-rgvj-c7cw-xr3r, UBUNTU-CVE-2023-47471

## What is CVE-2023-47471?

CVE-2023-47471 is a medium-severity memory corruption vulnerability in Struktur Libde265, published on 16 Nov 2023. 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

Buffer Overflow vulnerability in strukturag libde265 v1.10.12 allows a local attacker to cause a denial of service via the slice_segment_header function in the slice.cc component.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2023-47471?

It affects 1 product.


Products: Struktur Libde265.

## How do I fix CVE-2023-47471?

Upgrade to a fixed version.

## Is CVE-2023-47471 being exploited?

There is no known exploitation of CVE-2023-47471 in the wild and no public exploit code.

## Other vulnerabilities in Struktur Libde265

- [CVE-2023-49465](https://insights.sbomify.com/CVE-2023-49465/): Memory corruption in n/a (high 8.8)
- [CVE-2023-49467](https://insights.sbomify.com/CVE-2023-49467/): Memory corruption in n/a (high 8.8)
- [CVE-2023-49468](https://insights.sbomify.com/CVE-2023-49468/): Memory corruption in n/a (high 8.8)
- [CVE-2023-27103](https://insights.sbomify.com/CVE-2023-27103/): Memory corruption in n/a (high 8.8)
- [CVE-2026-33164](https://insights.sbomify.com/CVE-2026-33164/): NULL Pointer Dereference in libde265 (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-47471 and fix it if it is affected.

What it is: CVE-2023-47471 is a medium-severity memory corruption vulnerability in Struktur Libde265, published on 16 Nov 2023. 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-2023-47471 in the wild and no public exploit code.

Affected product: Struktur Libde265. 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-2023-47471/ (Markdown: https://insights.sbomify.com/CVE-2023-47471/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-47471
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-47471
- OSV: https://osv.dev/vulnerability/CVE-2023-47471

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-47471/
Summaries are generated and may contain mistakes; the official description above is the record.