Security update for cpp-httplib

Announcement ID: SUSE-SU-2026:20090-1
Release Date: 2026-01-15T22:11:25Z
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2025-66570 ( 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
  • CVE-2025-66570 ( SUSE ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
  • CVE-2025-66570 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-66570 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
  • CVE-2025-66577 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  • CVE-2025-66577 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • CVE-2025-66577 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves two vulnerabilities can now be installed.

Description:

This update for cpp-httplib fixes the following issues:

  • CVE-2025-66570: IP spoofing, log poisoning, and authorization bypass via header shadowing due to acceptance and parsing of client-controlled injected HTTP headers in incoming requests (bsc#1254734).
  • CVE-2025-66577: access and error log poisoning with spoofed client IPs due to unconditional acceptance of client-controlled X-Forwarded-For and X-Real-IP headers (bsc#1254735).

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 16.0
    zypper in -t patch SUSE-SLES-16.0-150=1
  • SUSE Linux Enterprise Server for SAP Applications 16.0
    zypper in -t patch SUSE-SLES-16.0-150=1

Package List:

  • SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    • cpp-httplib-debugsource-0.22.0-160000.3.1
    • libcpp-httplib0_22-0.22.0-160000.3.1
    • libcpp-httplib0_22-debuginfo-0.22.0-160000.3.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    • cpp-httplib-debugsource-0.22.0-160000.3.1
    • libcpp-httplib0_22-0.22.0-160000.3.1
    • libcpp-httplib0_22-debuginfo-0.22.0-160000.3.1

References: