# CVE-2015-1827: The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accou


- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Fix available:** Yes
- **Published:** 30 Mar 2015
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-77hv-795v-v5fp

## What is CVE-2015-1827?

CVE-2015-1827 is a medium-severity vulnerability in Fedoraproject Fedora, published on 30 Mar 2015. 

### Official description

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.

Weakness: CWE-19

## Which versions are affected by CVE-2015-1827?

It affects 2 products.


Products: Fedoraproject Fedora, Freeipa Freeipa.

## How do I fix CVE-2015-1827?

Upgrade to a fixed version.

## Is CVE-2015-1827 being exploited?

There is no known exploitation of CVE-2015-1827 in the wild and no public exploit code.

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild)
- [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild)
- [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-1827 and fix it if it is affected.

What it is: CVE-2015-1827 is a medium-severity vulnerability in Fedoraproject Fedora, published on 30 Mar 2015. 
Exploitation: There is no known exploitation of CVE-2015-1827 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. 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-2015-1827/ (Markdown: https://insights.sbomify.com/CVE-2015-1827/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-1827
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-1827
- OSV: https://osv.dev/vulnerability/CVE-2015-1827

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-1827/
Summaries are generated and may contain mistakes; the official description above is the record.