RHSA-2021:3816-Security Advisory

Description

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:" (CVE-2021-40438) httpd: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691) httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:" (CVE-2021-40438) httpd: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 After installing the updated packages, the httpd daemon will be restarted automatically.

Affected Applications

httpd

CVE References

CVE-2021-40438 CVE-2021-26691

Other References

https://access.redhat.com/errata/RHSA-2021:3816