# CVE-2011-0223: Memory corruption in n/a

> Remote attackers can execute arbitrary code or cause denial of service via a crafted website due to memory corruption in WebKit.

- **Severity:** Critical 9.3 (`AV:N/AC:M/Au:N/C:C/I:C/A:C`)
- **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:** 21 Jul 2011
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-jrxp-vr5q-c5vc, UBUNTU-CVE-2011-0223

## What is CVE-2011-0223?

CVE-2011-0223 is a critical memory corruption vulnerability in Apple Safari, published on 21 Jul 2011. 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

WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2011-07-20-1.

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

## Which versions are affected by CVE-2011-0223?

It affects 2 products.


Products: Apple Safari, Apple Webkit.

## How do I fix CVE-2011-0223?

No fix has been published for CVE-2011-0223 yet. Limit exposure of the affected software until one is available.

## Is CVE-2011-0223 being exploited?

There is no known exploitation of CVE-2011-0223 in the wild and no public exploit code.

## Other vulnerabilities in Apple Safari

- [CVE-2015-5780](https://insights.sbomify.com/CVE-2015-5780/): Security feature bypass in n/a (critical 10.0)
- [CVE-2014-1300](https://insights.sbomify.com/CVE-2014-1300/): Code injection in n/a (critical 10.0)
- [CVE-2014-1303](https://insights.sbomify.com/CVE-2014-1303/): Memory corruption in n/a (critical 10.0)
- [CVE-2010-1120](https://insights.sbomify.com/CVE-2010-1120/): Code injection in n/a (critical 10.0)
- [CVE-2009-0137](https://insights.sbomify.com/CVE-2009-0137/): Cross-site scripting in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2011-0223 and fix it if it is affected.

What it is: CVE-2011-0223 is a critical memory corruption vulnerability in Apple Safari, published on 21 Jul 2011. 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-2011-0223 in the wild and no public exploit code.

Affected product: Apple Safari. 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-2011-0223/ (Markdown: https://insights.sbomify.com/CVE-2011-0223/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2011-0223
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-0223
- OSV: https://osv.dev/vulnerability/CVE-2011-0223

---
From sbomify Insights: https://insights.sbomify.com/CVE-2011-0223/
Summaries are generated and may contain mistakes; the official description above is the record.