# CVE-2022-23218: Memory corruption in n/a

> A buffer overflow in glibc's sunrpc module allows attackers to cause denial of service or execute arbitrary code if stack protection is disabled.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:** Not needed
- **Fix available:** Yes
- **Published:** 14 Jan 2022
- **Updated:** 14 Oct 2026
- **Also known as:** AZL-7486, DEBIAN-CVE-2022-23218, GHSA-8g8v-256r-57v7, UBUNTU-CVE-2022-23218

## What is CVE-2022-23218?

CVE-2022-23218 is a critical memory corruption vulnerability in Debian Debian Linux, published on 14 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.

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

## Which versions are affected by CVE-2022-23218?

It affects 4 products.


Products: Debian Debian Linux, Gnu Glibc, Oracle Communications Cloud Native Core Unified Data Repository, Oracle Enterprise Operations Monitor.

## How do I fix CVE-2022-23218?

Upgrade to a fixed version.

## Is CVE-2022-23218 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-23218 exists.

## Other vulnerabilities in Debian Debian Linux

- [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild)
- [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild)
- [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild)
- [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild)
- [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-23218 and fix it if it is affected.

What it is: CVE-2022-23218 is a critical memory corruption vulnerability in Debian Debian Linux, published on 14 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-23218 exists.

Affected product: Debian Debian Linux. 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-2022-23218/ (Markdown: https://insights.sbomify.com/CVE-2022-23218/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-23218
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-23218
- OSV: https://osv.dev/vulnerability/CVE-2022-23218

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-23218/
Summaries are generated and may contain mistakes; the official description above is the record.