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Package "apache2"

Name: apache2

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • Apache HTTP Server configurable suexec program for mod_suexec
  • Apache HTTP Server standard suexec program for mod_suexec
  • transitional package
  • transitional package
Latest version: 2.4.52-1ubuntu4.24
Release: jammy (22.04)
Level: security
Repository: universe

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Other versions of "apache2" in Jammy

Repository Area Version
base main 2.4.52-1ubuntu4
base universe 2.4.52-1ubuntu4
security main 2.4.52-1ubuntu4.24
updates main 2.4.52-1ubuntu4.23
updates universe 2.4.52-1ubuntu4.23

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Changelog

Version: 2.4.52-1ubuntu4.24 2026-10-08 03:07:28 UTC

apache2 (2.4.52-1ubuntu4.24) jammy-security; urgency=medium

  * SECURITY UPDATE: Use after free in mod_rewrite.
    - debian/patches/CVE-2026-56154.patch: Copy lookahead value in
      modules/mappers/mod_rewrite.c
    - CVE-2026-56154
  * SECURITY UPDATE: Use after free in mod_http2
    - debian/patches/CVE-2026-57941.patch: Careful handling of session bbtmp
      in modules/http2/h2_c1_io.c, ../h2_mplx.c, ../h2_mplx.h,
      ../h2_session.c, and ../h2_stream.h
    - CVE-2026-57941
  * SECURITY UPDATE: Improper privilege management in mod_ssl
    - debian/patches/CVE-2026-59797.patch: Don't expose file funcs in
      modules/ssl/ssl_engine_config.c
    - CVE-2026-59797

 -- Kyle Kernick Mon, 05 Oct 2026 11:25:19 -0600
Source diff to previous version
CVE-2026-56154 Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: fr
CVE-2026-57941 Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2
CVE-2026-59797 Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache

Version: 2.4.52-1ubuntu4.23 2026-07-08 16:08:26 UTC

  apache2 (2.4.52-1ubuntu4.23) jammy-security; urgency=medium

  * SECURITY UPDATE: mod_ldap per-dir use-after-free
    - debian/patches/CVE-2026-29167.patch: Fix inheritance in per-dir context
      in modules/ldap/util_ldap.c.
    - CVE-2026-29167
  * SECURITY UPDATE: mod_proxy_ftp XSS
    - debian/patches/CVE-2026-29170.patch: Use ap_os_escape_path() with
      ap_escape_html() instead of ap_escape_uri() for href attributes in
      generated directory listing links in modules/proxy/mod_proxy_ftp.c.
    - CVE-2026-29170
  * SECURITY UPDATE: mod_proxy_html buffer overflow
    - debian/patches/CVE-2026-34355.patch: Simplify to use the ap_varbuf API
      in modules/filters/mod_proxy_html.c.
    - CVE-2026-34355
  * SECURITY UPDATE: ProxyPassReverseCookieMap buffer overflow
    - debian/patches/CVE-2026-34356.patch: fix dup path/domain in
      modules/proxy/proxy_util.c.
    - CVE-2026-34356
  * SECURITY UPDATE: mod_dav_fs protected directory access
    - debian/patches/CVE-2026-42535.patch: disallow DAV_FS_STATE_DIR in
      modules/dav/fs/repos.c.
    - CVE-2026-42535
  * SECURITY UPDATE: mod_xml2enc heap overflow
    - debian/patches/CVE-2026-42536.patch: Fix accounting in
      modules/filters/mod_xml2enc.c.
    - CVE-2026-42536
  * SECURITY UPDATE: OOB Read in 'merge_response_headers' can cause crash
    - debian/patches/CVE-2026-43951.patch: fix lang iteration in
      modules/http/http_filters.c, modules/http2/h2_c2_filter.c.
    - CVE-2026-43951
  * SECURITY UPDATE: escalation of privilege through expressions in .htaccess
    in multiple modules
    - debian/patches/CVE-2026-44119.patch: restrict per-dir file funcs
      centrally in include/ap_expr.h, modules/mappers/mod_rewrite.c,
      modules/metadata/mod_setenvif.c, modules/proxy/mod_proxy_fcgi.c,
      server/util_expr_eval.c.
    - CVE-2026-44119
  * SECURITY UPDATE: Stack Buffer Over-Read in mod_ssl OCSP 'send_request'
    - debian/patches/CVE-2026-44185.patch: Increase wbuf with the len read by
      apr_socket_send: in modules/ssl/ssl_util_ocsp.c.
    - CVE-2026-44185
  * SECURITY UPDATE: Loop in 'proxy_ftp_handler' in mod_proxy_ftp
    - debian/patches/CVE-2026-44186.patch: fix iteration in
      modules/proxy/mod_proxy_ftp.c.
    - CVE-2026-44186
  * SECURITY UPDATE: Heap Underflow in 'ap_regname' via Signed Char Overflow
    - debian/patches/CVE-2026-44631.patch: restrict to reasonable captures in
      include/ap_regex.h, modules/proxy/mod_proxy.c, server/core.c,
      server/util_pcre.c.
    - CVE-2026-44631
  * SECURITY UPDATE: mod_http2 memory corruption when file handles exhausted
    - debian/patches/CVE-2026-48913.patch: update to version 2.0.42 of the
      http2 module in modules/http2/*.
    - debian/patches/CVE-2026-48913-2.patch: fix buffer overflow in link
      mapping in modules/http2/h2_proxy_util.c.
    - CVE-2026-48913
  * Updated perl-framework tests for security changes:
    - debian/perl-framework/t/apache/expr.t
    - https://github.com/apache/httpd-tests/commit/c45f32cd44cf15aca0253dc480fe687b2e4d76ff

 -- Marc Deslauriers <email address hidden> Mon, 06 Jul 2026 12:41:46 -0400
Source diff to previous version
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 th
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 F
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 upgra
CVE-2026-34356 Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache
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
CVE-2026-42536 Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content This issue affects Apache HTT
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
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
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
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 ba
CVE-2026-44631 Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: fr
CVE-2026-48913 Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server:

Version: 2.4.52-1ubuntu4.21 2026-06-04 17:07:27 UTC

  apache2 (2.4.52-1ubuntu4.21) jammy-security; urgency=medium

  * SECURITY UPDATE: HTTP/2 Bomb denial of service
    - debian/patches/CVE-2026-49975.patch: fix cookie header accounting against
      LimitRequestFields in modules/http2/h2_util.c.
    - CVE-2026-49975

 -- Marc Deslauriers <email address hidden> Wed, 03 Jun 2026 11:42:24 -0400
Source diff to previous version

Version: 2.4.52-1ubuntu4.20 2026-05-07 15:07:34 UTC

  apache2 (2.4.52-1ubuntu4.20) jammy-security; urgency=medium

  * SECURITY UPDATE: http2: double free and possible RCE on early reset
    - debian/patches/CVE-2026-23918.patch: prevent double purge of a stream,
      resulting in a double free in modules/http2/h2_mplx.c.
    - CVE-2026-23918
  * SECURITY UPDATE: mod_rewrite elevation of privileges via ap_expr
    - debian/patches/CVE-2026-24072.patch: use AP_EXPR_FLAG_RESTRICTED in
      htaccess in modules/mappers/mod_rewrite.c,
      modules/metadata/mod_setenvif.c, modules/proxy/mod_proxy_fcgi.c.
    - CVE-2026-24072
  * SECURITY UPDATE: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()
    - debian/patches/CVE-2026-28780.patch: fix ajp_msg_check_header check in
      modules/proxy/ajp_msg.c.
    - CVE-2026-28780
  * SECURITY UPDATE: mod_md unrestricted OCSP response
    - debian/patches/CVE-2026-29168.patch: add ocsp limits in
      modules/md/md_ocsp.c.
    - CVE-2026-29168
  * SECURITY UPDATE: mod_dav_lock indirect lock crash
    - debian/patches/CVE-2026-29169.patch: use the right dav_lock_discovery in
      modules/dav/lock/locks.c.
    - CVE-2026-29169
  * SECURITY UPDATE: mod_auth_digest timing attack
    - debian/patches/CVE-2026-33006-1.patch: use apr_crypto_equals in
      configure.in, modules/aaa/mod_auth_digest.c.
    - debian/patches/CVE-2026-33006-2.patch: add ap_*_timingsafe() constant-
      time comparison functions in configure.in, include/httpd.h,
      modules/aaa/mod_auth_digest.c, modules/session/mod_session_crypto.c,
      server/util.c.
    - CVE-2026-33006
  * SECURITY UPDATE: mod_authn_socache crash
    - debian/patches/CVE-2026-33007.patch: validate URL earlier in
      modules/aaa/mod_authn_socache.c.
    - CVE-2026-33007
  * SECURITY UPDATE: HTTP response splitting forwarding malicious status line
    - debian/patches/CVE-2026-33523.patch: scan outgoing status line for
      newlines and controls in modules/http/http_filters.c.
    - CVE-2026-33523
  * SECURITY UPDATE: Off-by-one OOB reads in AJP getter functions
    - debian/patches/CVE-2026-33857.patch: fix length checks in AJP msg_get
      functions in modules/proxy/ajp_msg.c.
    - CVE-2026-33857
  * SECURITY UPDATE: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing
    Null-Termination Check (ajp_msg_get_string)
    - debian/patches/CVE-2026-34032.patch: fix ajp_msg_get_string buffer checks
      in modules/proxy/ajp_msg.c.
    - CVE-2026-34032
  * SECURITY UPDATE: mod_proxy_ajp: Heap Over-Read and memory disclosure in
    ajp_parse_data()
    - debian/patches/CVE-2026-34059.patch: fix ajp_parse_data message len check
      in modules/proxy/ajp_header.c.
    - CVE-2026-34059

 -- Marc Deslauriers <email address hidden> Tue, 05 May 2026 09:26:47 -0400
Source diff to previous version
CVE-2026-23918 Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are
CVE-2026-24072 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
CVE-2026-28780 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
CVE-2026-29168 Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache
CVE-2026-29169 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 reques
CVE-2026-33006 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 recomm
CVE-2026-33007 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 p
CVE-2026-33523 HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apach
CVE-2026-33857 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 recomme
CVE-2026-34032 Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are
CVE-2026-34059 Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to ve

Version: 2.4.52-1ubuntu4.19 2026-03-09 14:08:05 UTC

  apache2 (2.4.52-1ubuntu4.19) jammy-security; urgency=medium

  * SECURITY REGRESSION: mod_md setting MDStapleOthers is ignored breaking
    OCSP for some domains (LP: 2142766)
    - debian/patches/CVE-2025-55753-3.patch: update mod_md to version
      2.6.7 which fixes a regression in MDStapleOthers.

 -- Marc Deslauriers <email address hidden> Thu, 05 Mar 2026 13:04:29 -0500
CVE-2025-55753 An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the bac


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