Summary
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)
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.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | mod_http2 | 1.15.7-3.module_el8.5.0+2609+b30d9eec |
| AlmaLinux · 8 | mod_md | 1:2.0.8-8.module_el8.5.0+2609+b30d9eec |
| AlmaLinux · 8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa |
Vulnerabilities 2
-
Critical 9.0
mod_proxy SSRF
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
KEV Dec 1, 2021 -
Unscored —CVE-2021-26691 EPSS 68%
Apache HTTP Server mod_session response handling heap overflow
In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow