ESB-2026.6962

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.6962 Security update for apache2 24 June 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: apache2 Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-34059 CVE-2026-24072 CVE-2026-23918 CVE-2026-29169 CVE-2026-33006 CVE-2026-33007 CVE-2026-33523 CVE-2026-28780 CVE-2026-29168 CVE-2026-33857 CVE-2026-34032 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-202622209-1 Comment: CVSS (Max): 8.7 CVE-2026-33523 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N EPSS (Max): 42.8% (98th) CVE-2026-23918 2026-06-23 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for apache2 Announcement ID: SUSE-SU-2026:22209-1 Release Date: 2026-06-20T06:56:04Z Rating: important o bsc#1263935 o bsc#1263950 o bsc#1263951 o bsc#1263952 o bsc#1263953 References: o bsc#1263954 o bsc#1263955 o bsc#1263956 o bsc#1263957 o bsc#1264150 o bsc#1264163 o CVE-2026-23918 o CVE-2026-24072 o CVE-2026-28780 o CVE-2026-29168 o CVE-2026-29169 Cross-References: o CVE-2026-33006 o CVE-2026-33007 o CVE-2026-33523 o CVE-2026-33857 o CVE-2026-34032 o CVE-2026-34059 o CVE-2026-23918 ( SUSE ): 9.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N /UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-23918 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:H/I:H/A:H o CVE-2026-23918 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-24072 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:L/A:L o CVE-2026-24072 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-28780 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N /UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N o CVE-2026-28780 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:N/I:L/A:H o CVE-2026-28780 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-29168 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-29168 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-29168 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:L/A:L o CVE-2026-29169 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-29169 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-29169 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-33006 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N /UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N o CVE-2026-33006 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:H/I:H/A:N CVSS scores: o CVE-2026-33006 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/ S:U/C:L/I:L/A:N o CVE-2026-33007 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N o CVE-2026-33007 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:L o CVE-2026-33007 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:L o CVE-2026-33523 ( SUSE ): 9.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N /UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N o CVE-2026-33523 ( SUSE ): 8.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:C/C:H/I:H/A:N o CVE-2026-33523 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:L/A:N o CVE-2026-33857 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N o CVE-2026-33857 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:N/A:N o CVE-2026-33857 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:N/A:N o CVE-2026-34032 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-34032 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:N/A:H o CVE-2026-34032 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:N/A:N o CVE-2026-34059 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-34059 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:N/A:H o CVE-2026-34059 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:H/I:N/A:N Affected o SUSE Linux Enterprise Server 16.0 Products: o SUSE Linux Enterprise Server for SAP applications 16.0 An update that solves 11 vulnerabilities can now be installed. Description: This update for apache2 fixes the following issues o CVE-2026-23918: http2: double free and possible RCE on early reset (bsc# 1263957). o CVE-2026-24072: mod_rewrite elevation of privileges via ap_expr (bsc# 1263935). o CVE-2026-28780: heap buffer overflow in mod_proxy_ajp via ajp_msg_check_header() (bsc#1264163). o CVE-2026-29168: allocation of resources without limits in mod_md via OCSP response (bsc#1264150). o CVE-2026-29169: NULL pointer dereference in mod_dav_lock allows server crash via malicious requests (bsc#1263956). o CVE-2026-33006: mod_auth_digest timing attack allows bypass of Digest authentication (bsc#1263955). o CVE-2026-33007: NULL pointer dereference in mod_authn_socache allows unauthenticated remote user to crash a child processes (bsc#1263954). o CVE-2026-33523: HTTP response splitting forwarding malicious status line (bsc#1263953). o CVE-2026-33857: off-by-one OOB reads in AJP getter functions (bsc#1263952). o CVE-2026-34032: heap buffer overread in mod_proxy_ajp due to missing null-termination check (bsc#1263951). o CVE-2026-34059: heap buffer overread and memory disclosure via ajp_parse_data() (bsc#1263950). 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: o SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-980=1 o SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-980=1 Package List: o SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) apache2-event-debuginfo-2.4.66-160000.2.1 apache2-worker-debugsource-2.4.66-160000.2.1 apache2-event-debugsource-2.4.66-160000.2.1 apache2-utils-debugsource-2.4.66-160000.2.1 apache2-prefork-debuginfo-2.4.66-160000.2.1 apache2-2.4.66-160000.2.1 apache2-prefork-debugsource-2.4.66-160000.2.1 apache2-debugsource-2.4.66-160000.2.1 apache2-event-2.4.66-160000.2.1 apache2-prefork-2.4.66-160000.2.1 apache2-worker-2.4.66-160000.2.1 apache2-devel-2.4.66-160000.2.1 apache2-debuginfo-2.4.66-160000.2.1 apache2-utils-debuginfo-2.4.66-160000.2.1 apache2-worker-debuginfo-2.4.66-160000.2.1 apache2-utils-2.4.66-160000.2.1 o SUSE Linux Enterprise Server for SAP applications 16.0 (noarch) apache2-manual-2.4.66-160000.2.1 o SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le x86_64) apache2-event-debuginfo-2.4.66-160000.2.1 apache2-worker-debugsource-2.4.66-160000.2.1 apache2-event-debugsource-2.4.66-160000.2.1 apache2-utils-debugsource-2.4.66-160000.2.1 apache2-prefork-debuginfo-2.4.66-160000.2.1 apache2-2.4.66-160000.2.1 apache2-prefork-debugsource-2.4.66-160000.2.1 apache2-debugsource-2.4.66-160000.2.1 apache2-event-2.4.66-160000.2.1 apache2-prefork-2.4.66-160000.2.1 apache2-worker-2.4.66-160000.2.1 apache2-devel-2.4.66-160000.2.1 apache2-debuginfo-2.4.66-160000.2.1 apache2-utils-debuginfo-2.4.66-160000.2.1 apache2-worker-debuginfo-2.4.66-160000.2.1 apache2-utils-2.4.66-160000.2.1 o SUSE Linux Enterprise Server 16.0 (noarch) apache2-manual-2.4.66-160000.2.1 References: o https://www.suse.com/security/cve/CVE-2026-23918.html o https://www.suse.com/security/cve/CVE-2026-24072.html o https://www.suse.com/security/cve/CVE-2026-28780.html o https://www.suse.com/security/cve/CVE-2026-29168.html o https://www.suse.com/security/cve/CVE-2026-29169.html o https://www.suse.com/security/cve/CVE-2026-33006.html o https://www.suse.com/security/cve/CVE-2026-33007.html o https://www.suse.com/security/cve/CVE-2026-33523.html o https://www.suse.com/security/cve/CVE-2026-33857.html o https://www.suse.com/security/cve/CVE-2026-34032.html o https://www.suse.com/security/cve/CVE-2026-34059.html o https://bugzilla.suse.com/show_bug.cgi?id=1263935 o https://bugzilla.suse.com/show_bug.cgi?id=1263950 o https://bugzilla.suse.com/show_bug.cgi?id=1263951 o https://bugzilla.suse.com/show_bug.cgi?id=1263952 o https://bugzilla.suse.com/show_bug.cgi?id=1263953 o https://bugzilla.suse.com/show_bug.cgi?id=1263954 o https://bugzilla.suse.com/show_bug.cgi?id=1263955 o https://bugzilla.suse.com/show_bug.cgi?id=1263956 o https://bugzilla.suse.com/show_bug.cgi?id=1263957 o https://bugzilla.suse.com/show_bug.cgi?id=1264150 o https://bugzilla.suse.com/show_bug.cgi?id=1264163 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================