Summary
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* httpd: insufficient escaping of user-supplied data in mod_ssl (CVE-2024-47252)
* httpd: mod_ssl: access control bypass by trusted clients is possible using TLS 1.3 session resumption (CVE-2025-23048)
* httpd: HTTP Session Hijack via a TLS upgrade (CVE-2025-49812)
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 2
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | httpd-filesystem | 2.4.63-1.el10_0.2 |
| AlmaLinux · 10 | httpd-manual | 2.4.63-1.el10_0.2 |
Vulnerabilities 3
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Critical 9.1CVE-2025-23048 Public exploit
Apache HTTP Server: mod_ssl access control bypass with session resumption
In some mod_ssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when mod_ssl is configured for multiple virtual hosts, with ea…
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High 7.5
Apache HTTP Server: mod_ssl error log variable escaping
Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%{va…
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High 7.4CVE-2025-49812 Public exploit
Apache HTTP Server: mod_ssl TLS upgrade attack
In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upg…
References
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report
https://access.redhat.com/security/cve/CVE-2024-47252
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report
https://access.redhat.com/security/cve/CVE-2025-23048
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report
https://access.redhat.com/security/cve/CVE-2025-49812
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report
https://bugzilla.redhat.com/2374571
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report
https://bugzilla.redhat.com/2374576
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report
https://bugzilla.redhat.com/2374580
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advisory
https://errata.almalinux.org/10/ALSA-2025-15095.html