# CVE-2012-4515: Use after free in n/a

> Remote attackers can cause a crash or execute arbitrary code in Konqueror by triggering a use-after-free via iframe updates when the context menu is shown.

- **Severity:** Medium 6.8 (`AV:N/AC:M/Au:N/C:P/I:P/A:P`)
- **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:** No
- **Published:** 11 Nov 2012
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-3cmm-g83j-44q7

## What is CVE-2012-4515?

CVE-2012-4515 is a medium-severity use after free vulnerability in Kde Kde, published on 11 Nov 2012. 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

Use-after-free vulnerability in khtml/rendering/render_replaced.cpp in Konqueror in KDE 4.7.3, when the context menu is shown, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by accessing an iframe when it is being updated.

Weakness: CWE-399

## Which versions are affected by CVE-2012-4515?

It affects 1 product.


Products: Kde Kde.

## How do I fix CVE-2012-4515?

No fix has been published for CVE-2012-4515 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-4515 being exploited?

There is no known exploitation of CVE-2012-4515 in the wild and no public exploit code.

Public exploit code:

- Konqueror 4.7.3 - Memory Corruption (exploitdb)

## Other vulnerabilities in Kde Kde

- [CVE-2005-0011](https://insights.sbomify.com/CVE-2005-0011/): Memory corruption in n/a (critical 10.0)
- [CVE-2003-0690](https://insights.sbomify.com/CVE-2003-0690/): Privilege escalation in n/a (critical 10.0)
- [CVE-2008-1670](https://insights.sbomify.com/CVE-2008-1670/): Memory corruption in n/a (critical 9.3)
- [CVE-2012-4512](https://insights.sbomify.com/CVE-2012-4512/): Memory corruption in Konqueror (high 8.8)
- [CVE-2006-0019](https://insights.sbomify.com/CVE-2006-0019/): Memory corruption in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-4515 and fix it if it is affected.

What it is: CVE-2012-4515 is a medium-severity use after free vulnerability in Kde Kde, published on 11 Nov 2012. 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-2012-4515 in the wild and no public exploit code.

Affected product: Kde Kde. 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-2012-4515/ (Markdown: https://insights.sbomify.com/CVE-2012-4515/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-4515
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-4515
- OSV: https://osv.dev/vulnerability/CVE-2012-4515

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-4515/
Summaries are generated and may contain mistakes; the official description above is the record.