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Medium ALAS2023-2026-1880 11 CVEs

Moderate: httpd security update (Amazon Linux 2023)

Published Jun 22, 2026 · Updated Jun 22, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-44631: Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-44186: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-44185: Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-44119: Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. This issue affects Apache HTTP Server: from through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-43951: Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. CVE-2026-42536: Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-42535: A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue. CVE-2026-34356: Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. CVE-2026-34355: A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue. CVE-2026-29170: A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to version 2.4.68, which fixes this issue. CVE-2026-29167: Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Fixed packages 20

ReleasePackageFixed in
Amazon Linux · 2023 httpd 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-core 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-core-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-debugsource 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-devel 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-filesystem 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-manual 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-tools 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 httpd-tools-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_ldap 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_ldap-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_lua 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_lua-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_proxy_html 1:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_proxy_html-debuginfo 1:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_session 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_session-debuginfo 0:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_ssl 1:2.4.68-1.amzn2023.0.1
Amazon Linux · 2023 mod_ssl-debuginfo 1:2.4.68-1.amzn2023.0.1

Vulnerabilities 11

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-29167.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-29170.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-34355.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-34356.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-42535.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-42536.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-43951.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-44119.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-44185.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-44186.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-44631.html