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High severity7.8OSV Advisory· Published Dec 26, 2025· Updated Jun 17, 2026

CVE-2025-12771

CVE-2025-12771

Description

IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • IBM/Concertllm-fuzzy3 versions
    1.0.0 - 2.1.0+ 2 more
    • (no CPE)range: 1.0.0 - 2.1.0
    • (no CPE)
    • cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*range: >=1.0.0,<2.2.0

Patches

Vulnerability mechanics

References

1

News mentions

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