NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-56790
Summary

CANBoat through 6.22, fixed in commit a5a22b7, contains an off-by-one global buffer overflow in the searchForPgn() function in analyzer/pgn.c that allows remote attackers to crash the application. Attackers can deliver a crafted NMEA-2000 message with an out-of-range PGN value over CAN bus or N2K-over-IP to trigger an out-of-bounds array access and denial of service.

Publication Date June 26, 2026, 4:16 a.m.
Registration Date June 27, 2026, 4:30 a.m.
Last Update June 27, 2026, 3:17 a.m.
CVSS3.1 : HIGH
スコア 7.3
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI)
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
Related information, measures and tools
Common Vulnerabilities List