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openSUSE Apache2 Important Updates for RCE DoS Issues 2026-2686-1

opensuse
Calendar Grey June 30, 2026
Scroller Opensuse
# Security update for apache2 Announcement ID: SUSE-SU-2026:2686-1 Release Date: 2026-06-29T22:36:09
An update that solves 66 vulnerabilities and contains one feature can now be installed.

Description

This update for apache2 fixes the following issues

* CVE-2026-23918: http2: double free and possible RCE on early reset

(bsc#1263957).

* CVE-2026-24072: mod_rewrite elevation of privileges via ap_expr

(bsc#1263935).

* CVE-2026-28780: heap buffer overflow in `mod_proxy_ajp` via

`ajp_msg_check_header()` (bsc#1264163).

* CVE-2026-29167: mod_ldap per-dir use-after-free (bsc#1267976).

* CVE-2026-29168: allocation of resources without limits in `mod_md` via OCSP

response (bsc#1264150).

* CVE-2026-29169: NULL pointer dereference in `mod_dav_lock` allows server

crash via malicious requests (bsc#1263956).

* CVE-2026-29170: mod_proxy_ftp XSS (bsc#1267977).

* CVE-2026-33006: `mod_auth_digest` timing attack allows bypass of Digest

authentication (bsc#1263955).

* CVE-2026-33007: NULL pointer dereference in `mod_authn_socache` allows

unauthenticated remote user to crash a child processes (bsc#1263954).

* CVE-2026-33523: HTTP response splitting...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service remote code execution important apache2 OpenSUSE

Patch

## 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 High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2686=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2686=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2686=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2686=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2686=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2686=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch...

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Package List

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)

* apache2-debugsource-2.4.66-150400.6.57.1

* apache2-worker-debuginfo-2.4.66-150400.6.57.1

* apache2-2.4.66-150400.6.57.1

* apache2-prefork-2.4.66-150400.6.57.1

* apache2-prefork-debuginfo-2.4.66-150400.6.57.1

* apache2-devel-2.4.66-150400.6.57.1

* apache2-utils-2.4.66-150400.6.57.1

* apache2-utils-debuginfo-2.4.66-150400.6.57.1

* apache2-worker-2.4.66-150400.6.57.1

* apache2-debuginfo-2.4.66-150400.6.57.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)

* apache2-doc-2.4.66-150400.6.57.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* apache2-debugsource-2.4.66-150400.6.57.1

* apache2-worker-debuginfo-2.4.66-150400.6.57.1

* apache2-2.4.66-150400.6.57.1

* apache2-prefork-2.4.66-150400.6.57.1

* apache2-prefork-debuginfo-2.4.66-150400.6.57.1

* apache2-devel-2.4.66-150400.6.57.1

* apache2-utils-2.4.66-150400.6.57.1

* apache2-utils-debuginfo-2.4.66-150400.6.57.1

*...

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References

* bsc#1207327

* bsc#1208708

* bsc#1214357

* bsc#1263935

* bsc#1263950

* bsc#1263951

* bsc#1263952

* bsc#1263953

* bsc#1263954

* bsc#1263955

* bsc#1263956

* bsc#1263957

* bsc#1264150

* bsc#1264163

* 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

* bsc#690734

* jsc#PED-16334

## References:

* https://www.suse.com/security/cve/CVE-2006-20001.html

* https://www.suse.com/security/cve/CVE-2021-44224.html

* https://www.suse.com/security/cve/CVE-2021-44790.html

* https://www.suse.com/security/cve/CVE-2022-22719.html

* https://www.suse.com/security/cve/CVE-2022-22720.html

* https://www.suse.com/security/cve/CVE-2022-22721.html

* https://www.suse.com/security/cve/CVE-2022-23943.html

* https://www.suse.com/security/cve/CVE-2022-26377.html

* https://www.suse.com/security/cve/CVE-2022-28614.html

* https://www.suse.com/security/cve/CVE-2022-28615.html

* https://www.suse.com/security/cve/CVE-2022-29404.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2686-1
Release Date: 2026-06-29T22:36:09Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service remote code execution important apache2 OpenSUSE

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