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SUSE: Apache2 Important Security Update 2026:0020-1 CVE-2025-55753

suse
Calendar Grey January 5, 2026
Dist Suse Esm H88
An important security update for apache2 addresses four vulnerabilities affecting SUSE systems. Immediate action is advised.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for apache2 fixes the following issues: * CVE-2025-55753: Fixed mod_md (ACME) unintended retry intervals (bsc#1254511) * CVE-2025-65082: Fixed CGI environment variable override (bsc#1254514) * CVE-2025-58098: Fixed Server Side Includes adding query string to #exec cmd=... (bsc#1254512) * CVE-2025-66200: Fixed mod_userdir+suexec bypass via AllowOverride FileInfo (bsc#1254515) ## 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 for SAP Applications 15 SP6 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-20=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-20=1 openSUSE-SLE-15.6-2026-20=1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important environment variable apache2

References

* bsc#1254511

* bsc#1254512

* bsc#1254514

* bsc#1254515

Cross-

* CVE-2025-55753

* CVE-2025-58098

* CVE-2025-65082

* CVE-2025-66200

CVSS scores:

* CVE-2025-55753 ( SUSE ): 6.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-55753 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-55753 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2025-58098 ( SUSE ): 6.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2025-58098 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

* CVE-2025-58098 ( NVD ): 8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

* CVE-2025-65082 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0020-1
Release Date: 2026-01-05T11:10:13Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important environment variable apache2

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