7.8
CWE
787 121 119
Advisory Published
Updated

CVE-2021-26567: Buffer Overflow

First published: Fri Feb 26 2021(Updated: )

Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.

Credit: security@synology.com

Affected SoftwareAffected VersionHow to fix
Synology DiskStation Manager<6.2.3-25426-3
Synology Vs960hd Firmware
Synology Vs960hd
Synology Skynas Firmware
Synology Skynas
Synology Diskstation Manager Unified Controller=3.0
Synology Uc3200
Faad2 Project Faad2<2.2.7.1

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Frequently Asked Questions

  • What is the CVE ID of this vulnerability?

    The CVE ID of this vulnerability is CVE-2021-26567.

  • What is the severity of CVE-2021-26567?

    The severity of CVE-2021-26567 is high with a CVSS score of 7.8.

  • How does CVE-2021-26567 impact the affected software?

    CVE-2021-26567 allows local attackers to execute arbitrary code in the affected software.

  • Which software versions are affected by CVE-2021-26567?

    Synology DiskStation Manager up to version 6.2.3-25426-3 and Faad2 up to version 2.2.7.1 are affected by CVE-2021-26567.

  • How can I fix CVE-2021-26567?

    Upgrade to a patched version of the affected software.

Contact

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