# CVE-2014-8103: Memory corruption in n/a

> Authenticated users can trigger out-of-bounds memory access in X.Org Server extensions, potentially leading to arbitrary code execution or denial of service.

- **Severity:** Medium 6.5 (`AV:N/AC:L/Au:S/C:P/I:P/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 10 Dec 2014
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2014-8103, GHSA-cjgj-pfcg-8ccj, UBUNTU-CVE-2014-8103

## What is CVE-2014-8103?

CVE-2014-8103 is a medium-severity memory corruption vulnerability in X.org X Server, published on 10 Dec 2014. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

X.Org Server (aka xserver and xorg-server) 1.15.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) sproc_dri3_query_version, (2) sproc_dri3_open, (3) sproc_dri3_pixmap_from_buffer, (4) sproc_dri3_buffer_from_pixmap, (5) sproc_dri3_fence_from_fd, (6) sproc_dri3_fd_from_fence, (7) proc_present_query_capabilities, (8) sproc_present_query_version, (9) sproc_present_pixmap, (10) sproc_present_notify_msc, (11) sproc_present_select_input, or (12) sproc_present_query_capabilities function in the (a) DRI3 or (b) Present extension.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2014-8103?

It affects 1 product.


Products: X.org X Server.

## How do I fix CVE-2014-8103?

Upgrade to a fixed version.

## Is CVE-2014-8103 being exploited?

There is no known exploitation of CVE-2014-8103 in the wild and no public exploit code.

## Other vulnerabilities in X.org X Server

- [CVE-2026-56000](https://insights.sbomify.com/CVE-2026-56000/): xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent() (critical 9.0)
- [CVE-2017-10971](https://insights.sbomify.com/CVE-2017-10971/): Memory corruption in n/a (high 8.8)
- [CVE-2026-55999](https://insights.sbomify.com/CVE-2026-55999/): xorg-server / xwayland glamor font atlas Heap Buffer Overflow (high 8.5)
- [CVE-2022-2319](https://insights.sbomify.com/CVE-2022-2319/): Memory corruption in xorg-x11-server (high 7.8)
- [CVE-2022-2320](https://insights.sbomify.com/CVE-2022-2320/): Memory corruption in xorg-x11-server (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2014-8103 and fix it if it is affected.

What it is: CVE-2014-8103 is a medium-severity memory corruption vulnerability in X.org X Server, published on 10 Dec 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2014-8103 in the wild and no public exploit code.

Affected product: X.org X Server. 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-2014-8103/ (Markdown: https://insights.sbomify.com/CVE-2014-8103/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2014-8103
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-8103
- OSV: https://osv.dev/vulnerability/CVE-2014-8103

---
From sbomify Insights: https://insights.sbomify.com/CVE-2014-8103/
Summaries are generated and may contain mistakes; the official description above is the record.