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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | postgresql-8.4 | 8.4.13-0squeeze1 | DSA-2534-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | postgresql +9 | 8.4.13-1.el6_3 | RHSA-2012:1263 |
| RHEL 5 | postgresql84 +11 | 8.4.13-1.el5_8 | RHSA-2012:1263 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | postgresql93 | 9.3.15-1.1 | openSUSE-SU-2024:10256-1 |
| openSUSE Tumbleweed | postgresql94 | 9.4.10-1.1 | openSUSE-SU-2024:10030-1 |
| openSUSE Tumbleweed | postgresql95 | 9.5.4-1.2 | openSUSE-SU-2024:10273-1 |
Advisories 5
- RHSA-2012:1263 Red Hat Security Advisory: postgresql and postgresql84 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2534-1 postgresql-8.4 - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10030-1 postgresql94-9.4.10-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10273-1 libecpg6-32bit-9.5.4-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10256-1 postgresql93-9.3.15-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- RHSA-2012:1263 vendor-advisory
- 55074 vdb-entry
- http://www.postgresql.org/docs/9.0/static/release-9-0-9.html
- MDVSA-2012:139 vendor-advisory
- USN-1542-1 vendor-advisory
- 50718 third-party-advisory
- 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/
- 50635 third-party-advisory
- http://www.postgresql.org/support/security/
- APPLE-SA-2013-03-14-1 vendor-advisory
- 50946 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=849173
- DSA-2534 vendor-advisory
- openSUSE-SU-2012:1251 vendor-advisory
- openSUSE-SU-2012:1288 vendor-advisory
- 50859 third-party-advisory
- openSUSE-SU-2012:1299 vendor-advisory