CVE-2026-116734

LowCVSS 3.7/10Last modified Oct 27, 2026

Description

flatcc through 0.6.4 contains an integer overflow vulnerability in the check_header function of the FlatBuffers verifier because its overflow guard is dead code. On 32-bit builds, attackers can supply a crafted buffer offset that wraps the bounds check, causing an out-of-bounds read before the buffer and crashing the process.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published: Oct 26, 2026
Last modified: Oct 27, 2026
NVD status: Deferred

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