CVE-2026-20156

The record

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20156 are related to improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.

Affected packages

Related vulnerabilities

• CVE-2026-112108 A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. CWE-119
• CVE-2026-112073 A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dc… CWE-119
• CVE-2026-90831 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90804 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90803 A security vulnerability has been detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90801 A security flaw has been discovered in GNU Binutils 2.47. CWE-119
• CVE-2026-87933 A vulnerability was found in DaveGamble cJSON up to 1.7.19. CWE-119
• CVE-2026-87931 A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral… CWE-119