Amazon Linux 2 Security Advisory: ALAS2-2026-3314
Advisory Released Date: 2026-05-26
Advisory Updated Date: 2026-05-26
FAQs regarding Amazon Linux ALAS/CVE Severity
An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.
Users are recommended to upgrade to version 2.4.67, which fixes this issue. (CVE-2026-24072)
Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.
If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-28780)
Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data.
This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-29168)
A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.
The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.
Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock. (CVE-2026-29169)
A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker.
Users are recommended to upgrade to version 2.4.67, which fixes this issue. (CVE-2026-33006)
A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.
Users are recommended to upgrade to version 2.4.67, which fixes this issue. (CVE-2026-33007)
HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.
This issue affects Apache HTTP Server: from through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-33523)
Out-of-bounds Read vulnerability in mod_proxy_ajp of
Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-33857)
Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-34032)
Buffer Over-read vulnerability in Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue. (CVE-2026-34059)
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 ALAS2-2026-3314 to update your system.
aarch64:
httpd-2.4.67-1.amzn2.0.1.aarch64
httpd-devel-2.4.67-1.amzn2.0.1.aarch64
httpd-tools-2.4.67-1.amzn2.0.1.aarch64
mod_ssl-2.4.67-1.amzn2.0.1.aarch64
mod_md-2.4.67-1.amzn2.0.1.aarch64
mod_proxy_html-2.4.67-1.amzn2.0.1.aarch64
mod_ldap-2.4.67-1.amzn2.0.1.aarch64
mod_session-2.4.67-1.amzn2.0.1.aarch64
httpd-debuginfo-2.4.67-1.amzn2.0.1.aarch64
i686:
httpd-2.4.67-1.amzn2.0.1.i686
httpd-devel-2.4.67-1.amzn2.0.1.i686
httpd-tools-2.4.67-1.amzn2.0.1.i686
mod_ssl-2.4.67-1.amzn2.0.1.i686
mod_md-2.4.67-1.amzn2.0.1.i686
mod_proxy_html-2.4.67-1.amzn2.0.1.i686
mod_ldap-2.4.67-1.amzn2.0.1.i686
mod_session-2.4.67-1.amzn2.0.1.i686
httpd-debuginfo-2.4.67-1.amzn2.0.1.i686
noarch:
httpd-manual-2.4.67-1.amzn2.0.1.noarch
httpd-filesystem-2.4.67-1.amzn2.0.1.noarch
src:
httpd-2.4.67-1.amzn2.0.1.src
x86_64:
httpd-2.4.67-1.amzn2.0.1.x86_64
httpd-devel-2.4.67-1.amzn2.0.1.x86_64
httpd-tools-2.4.67-1.amzn2.0.1.x86_64
mod_ssl-2.4.67-1.amzn2.0.1.x86_64
mod_md-2.4.67-1.amzn2.0.1.x86_64
mod_proxy_html-2.4.67-1.amzn2.0.1.x86_64
mod_ldap-2.4.67-1.amzn2.0.1.x86_64
mod_session-2.4.67-1.amzn2.0.1.x86_64
httpd-debuginfo-2.4.67-1.amzn2.0.1.x86_64