Buffer overflow in Readymedia (Minidlna)
CVE-2026-29508
ReadyMedia (formerly MiniDLNA) versions 1.3.0 through 1.3.3 contain a stack-based buffer overflow vulnerability that allows remote attackers to corrupt stack memory by crafting a malicious DFF audio file with an oversized PROP chunk size value that is used unvalidated to allocate a variable-length stack array and read file data into it. Attackers can place a crafted DFF file in a directory monitored by ReadyMedia to trigger automatic parsing via inotify, achieving remote code execution on unprotected builds or denial of service on hardened builds with stack protections.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.kr3bz.wtf/posts/minidlna-unbounded-vla-to-rce/ (technical-description, exploit)
- www.asus.com/networking-iot-servers/wifi-routers/asus-gaming-routers/rt-ax86u/h… (patch)
- sourceforge.net/projects/minidlna/ (product)
- www.vulncheck.com/advisories/readymedia-stack-buffer-overflow-via-dff-parser (third-party-advisory)
Frequently asked questions
- What is CVE-2026-29508?
- CVE-2026-29508 is a high-severity vulnerability in Readymedia (Minidlna), classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-11-02.
- How severe is CVE-2026-29508?
- High severity. CVSS v3 base score is 8.8 out of 10.