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openSUSE Leap 16.0 Apache2 Important RCE DoS Vulnern 2026-21115-1

opensuse
Calendar Grey June 30, 2026
Dist Opensuse Esm H88
An important security update for openSUSE fixes 11 vulnerabilities in apache2, enhancing system protection.
An update that solves 11 vulnerabilities and has 11 bug fixes 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-2026-29168: 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-2026-33006: `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 forwarding malicious status line (bsc#1263953).

- CVE-2026-33857: off-by-one OOB reads in AJP getter functions (bsc#1263952).

- CVE-2026-34032: heap buffer overread in...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service remote code execution important apache2 OpenSUSE

Patch

Package List

- openSUSE Leap 16.0:

apache2-2.4.66-160000.2.1

apache2-devel-2.4.66-160000.2.1

apache2-event-2.4.66-160000.2.1

apache2-manual-2.4.66-160000.2.1

apache2-prefork-2.4.66-160000.2.1

apache2-utils-2.4.66-160000.2.1

apache2-worker-2.4.66-160000.2.1

References

* bsc#1263935

* bsc#1263950

* bsc#1263951

* bsc#1263952

* bsc#1263953

* bsc#1263954

* bsc#1263955

* bsc#1263956

* bsc#1263957

* bsc#1264150

* bsc#1264163

References:

* https://www.suse.com/security/cve/CVE-2026-23918.html

* https://www.suse.com/security/cve/CVE-2026-24072.html

* https://www.suse.com/security/cve/CVE-2026-28780.html

* https://www.suse.com/security/cve/CVE-2026-29168.html

* https://www.suse.com/security/cve/CVE-2026-29169.html

* https://www.suse.com/security/cve/CVE-2026-33006.html

* https://www.suse.com/security/cve/CVE-2026-33007.html

* https://www.suse.com/security/cve/CVE-2026-33523.html

* https://www.suse.com/security/cve/CVE-2026-33857.html

* https://www.suse.com/security/cve/CVE-2026-34032.html

* https://www.suse.com/security/cve/CVE-2026-34059.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21115-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory denial of service remote code execution important apache2 OpenSUSE

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