What’s Vulnerable › Vulnerabilities

CVE-2020-28926

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-30 · updated 2026-06-17
• Weakness: CWE-120

Description

ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.

Affected products

• Debian Linux: 9.0, 10.0
• Readymedia Project Readymedia: before 1.3.0 — fixed in 1.3.0

How to fix

Upgrade to a fixed version: Readymedia Project Readymedia 1.3.0. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
• https://sourceforge.net/projects/minidlna/
• https://www.debian.org/security/2020/dsa-4806
• https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/
• https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
• https://sourceforge.net/projects/minidlna/
• https://www.debian.org/security/2020/dsa-4806
• https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/

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