SUSE update for apache2-mod_security2

Published: 2025-06-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-47947 CVE-2025-48866
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Server 12 SP5 LTSS Extended Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 SP5 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 12 Operating systems & Components / Operating system apache2-mod_security2 Operating systems & Components / Operating system package or component apache2-mod_security2-debuginfo Operating systems & Components / Operating system package or component apache2-mod_security2-debugsource Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU109658

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-47947

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling application/json payloads. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that at least one rule which does a sanitiseMatchedBytes action.

Mitigation

Update the affected package apache2-mod_security2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security

SUSE Linux Enterprise Server 12 SP5: LTSS

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

apache2-mod_security2: before 2.8.0-7.9.1

apache2-mod_security2-debuginfo: before 2.8.0-7.9.1

apache2-mod_security2-debugsource: before 2.8.0-7.9.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202502052-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU110075