Description
The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when run on certain Linux kernels, which allows local users to gain privileges via vectors related to the number of running processes.
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 14 | mod-wsgi | 3.5-1 | — |
| Debian 13 | mod-wsgi | 3.5-1 | — |
| Debian 12 | mod-wsgi | 3.5-1 | — |
| Debian 7 | mod-wsgi | 3.3-4+deb7u1 | DSA-2937-1 |
| Debian 6.0 | mod-wsgi | 3.3-2+deb6u1 | DSA-2937-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | mod-wsgi | 3.4-4ubuntu2.1.14.04.1 | USN-2222-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | mod_wsgi | 3.4-12.el7_0 | RHSA-2014:1091 |
| RHEL 6 | mod_wsgi | 3.2-6.el6_5 | RHSA-2014:0788 |
| RHEL 1 | python27-mod_wsgi | 3.4-12.el6 | RHSA-2014:0789 |
| RHEL 1 | python33-mod_wsgi | 3.4-13.el7 | RHSA-2014:0789 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | mod_wsgi | 3.4-12.el7_0 | ELSA-2014-1091 |
Advisories 6
- RHSA-2014:1091 Red Hat Security Advisory: mod_wsgi security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2014:0789 Red Hat Security Advisory: python27-mod_wsgi and python33-mod_wsgi security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2014:0788 Red Hat Security Advisory: mod_wsgi security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-2937-1 mod-wsgi - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2222-1 mod-wsgi vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- ELSA-2014-1091 Important: mod_wsgi security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 25, 2014
References
- 59551 third-party-advisory
- 67532 vdb-entry
- http://modwsgi.readthedocs.org/en/latest/release-notes/version-3.5.html
- [oss-security] 20140521 Security release for mod_wsgi (version 3.5) mailing-list
- RHSA-2014:0789 vendor-advisory
- http://blog.dscpl.com.au/2014/05/security-release-for-modwsgi-version-35.html
- 60094 third-party-advisory