SUSE-SU-2026:2717-1: important: Security update for apache2

SLE-UPDATES null at suse.de
Wed Jul 1 12:30:30 UTC 2026


# Security update for apache2

Announcement ID: SUSE-SU-2026:2717-1  
Release Date: 2026-07-01T08:05:44Z  
Rating: important  
References:

  * bsc#1267503
  * bsc#1267955
  * bsc#1267956
  * bsc#1267962
  * bsc#1267963
  * bsc#1267965
  * bsc#1267969
  * bsc#1267970
  * bsc#1267971
  * bsc#1267972
  * bsc#1267976
  * bsc#1267977
  * bsc#1267978

  
Cross-References:

  * CVE-2026-29167
  * CVE-2026-29170
  * CVE-2026-34355
  * CVE-2026-34356
  * CVE-2026-42535
  * CVE-2026-42536
  * CVE-2026-43951
  * CVE-2026-44119
  * CVE-2026-44185
  * CVE-2026-44186
  * CVE-2026-44631
  * CVE-2026-48913
  * CVE-2026-49975

  
CVSS scores:

  * CVE-2026-29167 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-29167 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-29170 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-29170 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-34355 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-34355 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-34355 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-34356 ( SUSE ):  5.9
    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-34356 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-34356 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-42535 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-42535 ( SUSE ):  5.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-42535 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  * CVE-2026-42536 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-42536 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-42536 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-42536 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-43951 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-43951 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-43951 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-44119 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-44119 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-44119 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-44185 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-44185 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-44185 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-44185 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-44186 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44186 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-44186 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-44631 ( SUSE ):  5.9
    CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44631 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
  * CVE-2026-44631 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-48913 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-48913 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-48913 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-49975 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
  * CVE-2026-49975 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-49975 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-49975 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves 13 vulnerabilities can now be installed.

## Description:

This update for apache2 fixes the following issues

  * CVE-2026-29167: mod_ldap per-dir use-after-free (bsc#1267976).
  * CVE-2026-29170: mod_proxy_ftp XSS (bsc#1267977).
  * CVE-2026-34355: mod_proxy_html buffer overflow (bsc#1267978).
  * CVE-2026-34356: malicious backend servers can lead to a heap-based buffer
    overflow (bsc#1267955).
  * CVE-2026-42535: malicious path manipulation can lead to child process
    crashes (bsc#1267956).
  * CVE-2026-42536: processing untrusted content can lead to a heap-based buffer
    overflow (bsc#1267962).
  * CVE-2026-43951: out-of-bound read in `merge_response_headers` can cause
    crash (bsc#1267963).
  * CVE-2026-44119: improper privilege management can lead to an unauthorized
    read (bsc#1267965).
  * CVE-2026-44185: Stack Buffer Over-Read in mod_ssl OCSP `send_request`
    (bsc#1267969).
  * CVE-2026-44186: responses from an attacker-controlled FTP backend can lead
    to resource exhaustion and a denial of service (bsc#1267970).
  * CVE-2026-44631: crafted regular expression can lead to a buffer underwrite
    (bsc#1267971).
  * CVE-2026-48913: file handle exhaustion during request processing in
    mod_http2 can lead to a use-after-free (bsc#1267972).
  * CVE-2026-49975: Fix cookie header accounting against LimitRequestFields
    (bsc#1267503).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2717=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2717=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * apache2-tls13-devel-2.4.66-35.81.1
    * apache2-worker-2.4.66-35.81.1
    * apache2-devel-2.4.66-35.81.1
    * apache2-tls13-debugsource-2.4.66-35.81.1
    * apache2-tls13-example-pages-2.4.66-35.81.1
    * apache2-tls13-worker-debuginfo-2.4.66-35.81.1
    * apache2-debugsource-2.4.66-35.81.1
    * apache2-example-pages-2.4.66-35.81.1
    * apache2-tls13-debuginfo-2.4.66-35.81.1
    * apache2-worker-debuginfo-2.4.66-35.81.1
    * apache2-tls13-utils-2.4.66-35.81.1
    * apache2-tls13-prefork-2.4.66-35.81.1
    * apache2-tls13-worker-2.4.66-35.81.1
    * apache2-utils-debuginfo-2.4.66-35.81.1
    * apache2-tls13-2.4.66-35.81.1
    * apache2-utils-2.4.66-35.81.1
    * apache2-prefork-2.4.66-35.81.1
    * apache2-tls13-utils-debuginfo-2.4.66-35.81.1
    * apache2-debuginfo-2.4.66-35.81.1
    * apache2-tls13-prefork-debuginfo-2.4.66-35.81.1
    * apache2-2.4.66-35.81.1
    * apache2-prefork-debuginfo-2.4.66-35.81.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * apache2-tls13-doc-2.4.66-35.81.1
    * apache2-doc-2.4.66-35.81.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * apache2-tls13-devel-2.4.66-35.81.1
    * apache2-devel-2.4.66-35.81.1
    * apache2-worker-2.4.66-35.81.1
    * apache2-tls13-debugsource-2.4.66-35.81.1
    * apache2-tls13-example-pages-2.4.66-35.81.1
    * apache2-tls13-worker-debuginfo-2.4.66-35.81.1
    * apache2-debugsource-2.4.66-35.81.1
    * apache2-example-pages-2.4.66-35.81.1
    * apache2-prefork-debuginfo-2.4.66-35.81.1
    * apache2-tls13-debuginfo-2.4.66-35.81.1
    * apache2-worker-debuginfo-2.4.66-35.81.1
    * apache2-tls13-utils-2.4.66-35.81.1
    * apache2-tls13-prefork-2.4.66-35.81.1
    * apache2-tls13-worker-2.4.66-35.81.1
    * apache2-utils-debuginfo-2.4.66-35.81.1
    * apache2-tls13-2.4.66-35.81.1
    * apache2-prefork-2.4.66-35.81.1
    * apache2-tls13-utils-debuginfo-2.4.66-35.81.1
    * apache2-debuginfo-2.4.66-35.81.1
    * apache2-tls13-prefork-debuginfo-2.4.66-35.81.1
    * apache2-2.4.66-35.81.1
    * apache2-utils-2.4.66-35.81.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * apache2-tls13-doc-2.4.66-35.81.1
    * apache2-doc-2.4.66-35.81.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-29167.html
  * https://www.suse.com/security/cve/CVE-2026-29170.html
  * https://www.suse.com/security/cve/CVE-2026-34355.html
  * https://www.suse.com/security/cve/CVE-2026-34356.html
  * https://www.suse.com/security/cve/CVE-2026-42535.html
  * https://www.suse.com/security/cve/CVE-2026-42536.html
  * https://www.suse.com/security/cve/CVE-2026-43951.html
  * https://www.suse.com/security/cve/CVE-2026-44119.html
  * https://www.suse.com/security/cve/CVE-2026-44185.html
  * https://www.suse.com/security/cve/CVE-2026-44186.html
  * https://www.suse.com/security/cve/CVE-2026-44631.html
  * https://www.suse.com/security/cve/CVE-2026-48913.html
  * https://www.suse.com/security/cve/CVE-2026-49975.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1267503
  * https://bugzilla.suse.com/show_bug.cgi?id=1267955
  * https://bugzilla.suse.com/show_bug.cgi?id=1267956
  * https://bugzilla.suse.com/show_bug.cgi?id=1267962
  * https://bugzilla.suse.com/show_bug.cgi?id=1267963
  * https://bugzilla.suse.com/show_bug.cgi?id=1267965
  * https://bugzilla.suse.com/show_bug.cgi?id=1267969
  * https://bugzilla.suse.com/show_bug.cgi?id=1267970
  * https://bugzilla.suse.com/show_bug.cgi?id=1267971
  * https://bugzilla.suse.com/show_bug.cgi?id=1267972
  * https://bugzilla.suse.com/show_bug.cgi?id=1267976
  * https://bugzilla.suse.com/show_bug.cgi?id=1267977
  * https://bugzilla.suse.com/show_bug.cgi?id=1267978

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