CVE-2026-51270 - schreibfaul1 ESP32-audioI2S Heap-Based Buffer Overflow
CVE ID :CVE-2026-51270
Published : July 28, 2026, 4:18 p.m. | 33 minutes ago
Description :schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the htmlToUTF8() HTML entity decoding function. The function parses attacker-controlled malicious HTML entities and uses memmove and memcpy to rearrange string content without validating buffer remaining size and boundary limits. Crafted oversized HTML entity strings can trigger heap out-of-bounds write, allowing remote code execution, memory information leakage, service crash or privilege escalation.
Severity: 0.0 | NA
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Published : July 28, 2026, 4:18 p.m. | 33 minutes ago
Description :schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the htmlToUTF8() HTML entity decoding function. The function parses attacker-controlled malicious HTML entities and uses memmove and memcpy to rearrange string content without validating buffer remaining size and boundary limits. Crafted oversized HTML entity strings can trigger heap out-of-bounds write, allowing remote code execution, memory information leakage, service crash or privilege escalation.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...