openSUSE 16 Security Update : cpp-httplib (openSUSE-SU-2026:20056-1)

critical Nessus Plugin ID 291337

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20056-1 advisory.

- 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).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected cpp-httplib-devel and / or libcpp-httplib0_22 packages.

Plugin Details

Severity: Critical

ID: 291337

File Name: openSUSE-2026-20056-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 1/19/2026

Updated: 1/19/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-66570

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:cpp-httplib-devel, cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libcpp-httplib0_22

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 12/5/2025

Reference Information

CVE: CVE-2025-66570, CVE-2025-66577

Detections

Analytics