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Description

Vinchin Backup & Recovery through 9.0.0.86562 contains a heap buffer overflow vulnerability that allows unauthenticated remote attackers to cause process crash or memory corruption by sending a malformed TCP packet with an unchecked body_len field to the agentlink_server service. Attackers can craft a malicious packet that passes an attacker-controlled length directly to recv(), triggering a heap overflow of up to approximately 4 GiB and resulting in process crash or potential memory corruption.

PUBLISHED Reserved 2026-07-08 | Published 2026-07-09 | Updated 2026-07-09 | Assigner VulnCheck




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Problem types

Out-of-bounds Write

Product status

Default status
affected

Any version
affected

Credits

CODE WHITE GmbH finder

References

code-white.com/public-vulnerability-list/ (CODE WHITE Vulnerability List) technical-description

www.vinchin.com/news/vinchin-backup-recovery-9-0.html (Product Webpage) product

www.vulncheck.com/...ap-buffer-overflow-via-agentlink-server third-party-advisory

cve.org (CVE-2026-60094)

nvd.nist.gov (CVE-2026-60094)

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