Medium [CVE-2026-79768] Information disclosure in mod_userdir via single-dot path equivalence
This medium-severity Red Hat Linux advisory covers CVE-2026-79768; related products: Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6.
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Summary
Information disclosure in mod_userdir via single-dot path equivalence. Red Hat rates this moderate (CVSS 5.3).
Weakness: CWE-41. Red Hat lists fixing advisory RHSA-2026:74858 with package httpd-main-2.4.69-1.hum1.
Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 3 more.
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: httpd.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
- httpd-main-2.4.69-1.hum1
- RHSA-2026:74858
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
Mitigation checklist
- Disable user directories or avoid configuring absolute directory paths without wildcards in the `UserDir` directive. 1. If per-user web directories are not required, ensure `UserDir disabled` is configured in `/etc/httpd/conf.d/userdir.conf`, or comment out the module loading directive: ``` # LoadModule userdir_module modules/mod_userdir.so ``` 2. If user directories are necessary, configure `UserDir` using a relative path (for example, `UserDir public_html`) rather than an absolute path. 3. Reload the Apache HTTP Server configuration to apply changes: ``` systemctl reload httpd ``` Caveats: Disabling mod_userdir prevents users from publishing content via `~username` URLs. Reloading the httpd service may briefly affect active HTTP connections.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
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