# CVE-2007-3944: Memory corruption in n/a

> Remote attackers can execute arbitrary code via malicious JavaScript regular expressions in Apple Safari and iPhone browsers.

- **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:** 23 Jul 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-rqq2-rvvw-7vm3

## What is CVE-2007-3944?

CVE-2007-3944 is a critical memory corruption vulnerability in Apple Iphone Os, published on 23 Jul 2007. 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

Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in the JavaScript engine in WebKit in Apple Safari 3 Beta before Update 3.0.3, and iPhone before 1.0.1, allow remote attackers to execute arbitrary code via certain JavaScript regular expressions. NOTE: this issue was originally reported only for MobileSafari on the iPhone.  NOTE: it is not clear whether this stems from an issue in the original distribution of PCRE, which might already have a separate CVE identifier.

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

## Which versions are affected by CVE-2007-3944?

It affects 3 products.


Products: Apple Iphone Os, Apple Safari, Apple Webkit.

## How do I fix CVE-2007-3944?

No fix has been published for CVE-2007-3944 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-3944 being exploited?

There is no known exploitation of CVE-2007-3944 in the wild and no public exploit code.

## Other vulnerabilities in Apple Iphone Os

- [CVE-2021-30666](https://insights.sbomify.com/CVE-2021-30666/): Apple iOS WebKit Buffer Overflow (high 8.8, exploited in the wild)
- [CVE-2021-30761](https://insights.sbomify.com/CVE-2021-30761/): Apple iOS WebKit Memory Corruption (high 8.8, exploited in the wild)
- [CVE-2021-30762](https://insights.sbomify.com/CVE-2021-30762/): Apple iOS WebKit Use-After-Free (high 8.8, exploited in the wild)
- [CVE-2016-4657](https://insights.sbomify.com/CVE-2016-4657/): Apple iOS Webkit Memory Corruption (high 8.8, exploited in the wild)
- [CVE-2019-7286](https://insights.sbomify.com/CVE-2019-7286/): Apple Multiple Products Memory Corruption (high 7.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-3944 and fix it if it is affected.

What it is: CVE-2007-3944 is a critical memory corruption vulnerability in Apple Iphone Os, published on 23 Jul 2007. 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-2007-3944 in the wild and no public exploit code.

Affected product: Apple Iphone Os. 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-2007-3944/ (Markdown: https://insights.sbomify.com/CVE-2007-3944/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-3944
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-3944
- OSV: https://osv.dev/vulnerability/CVE-2007-3944

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-3944/
Summaries are generated and may contain mistakes; the official description above is the record.