Amazon Linux 2 Security Advisory: ALAS2-2025-3099
Advisory Released Date: 2026-01-05
Advisory Updated Date: 2026-01-05
FAQs regarding Amazon Linux ALAS/CVE Severity
An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds.
This issue affects Apache HTTP Server: from 2.4.30 before 2.4.66.
Users are recommended to upgrade to version 2.4.66, which fixes the issue. (CVE-2025-55753)
Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. (CVE-2025-58098)
Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs.
This issue affects Apache HTTP Server from 2.4.0 through 2.4.65.
Users are recommended to upgrade to version 2.4.66 which fixes the issue. (CVE-2025-65082)
mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. (CVE-2025-66200)
Affected Packages:
httpd
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update httpd or yum update --advisory ALAS2-2025-3099 to update your system.
aarch64:
httpd-2.4.66-1.amzn2.0.1.aarch64
httpd-devel-2.4.66-1.amzn2.0.1.aarch64
httpd-tools-2.4.66-1.amzn2.0.1.aarch64
mod_ssl-2.4.66-1.amzn2.0.1.aarch64
mod_md-2.4.66-1.amzn2.0.1.aarch64
mod_proxy_html-2.4.66-1.amzn2.0.1.aarch64
mod_ldap-2.4.66-1.amzn2.0.1.aarch64
mod_session-2.4.66-1.amzn2.0.1.aarch64
httpd-debuginfo-2.4.66-1.amzn2.0.1.aarch64
i686:
httpd-2.4.66-1.amzn2.0.1.i686
httpd-devel-2.4.66-1.amzn2.0.1.i686
httpd-tools-2.4.66-1.amzn2.0.1.i686
mod_ssl-2.4.66-1.amzn2.0.1.i686
mod_md-2.4.66-1.amzn2.0.1.i686
mod_proxy_html-2.4.66-1.amzn2.0.1.i686
mod_ldap-2.4.66-1.amzn2.0.1.i686
mod_session-2.4.66-1.amzn2.0.1.i686
httpd-debuginfo-2.4.66-1.amzn2.0.1.i686
noarch:
httpd-manual-2.4.66-1.amzn2.0.1.noarch
httpd-filesystem-2.4.66-1.amzn2.0.1.noarch
src:
httpd-2.4.66-1.amzn2.0.1.src
x86_64:
httpd-2.4.66-1.amzn2.0.1.x86_64
httpd-devel-2.4.66-1.amzn2.0.1.x86_64
httpd-tools-2.4.66-1.amzn2.0.1.x86_64
mod_ssl-2.4.66-1.amzn2.0.1.x86_64
mod_md-2.4.66-1.amzn2.0.1.x86_64
mod_proxy_html-2.4.66-1.amzn2.0.1.x86_64
mod_ldap-2.4.66-1.amzn2.0.1.x86_64
mod_session-2.4.66-1.amzn2.0.1.x86_64
httpd-debuginfo-2.4.66-1.amzn2.0.1.x86_64