What is CVE-2025-65407?

CVE-2025-65407 is a medium-severity vulnerability in Live555 Streaming Media, classified under Use After Free. CVSS score: 6.5/10. Published 2025-12-01.

How severe is CVE-2025-65407?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Use After Free in Live555 Streaming Media

CVE-2025-65407

A use-after-free in the MPEG1or2Demux::newElementaryStream() function of Live555 Streaming Media v2018.09.02 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MPEG Program stream.

Vulnerability class: Use-After-Free

Published 2025-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.2th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Live555 Streaming Media — versions 2018-09-02

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/rgaufman/live555 (Product)
shimo.im/docs/VMAPLVLpzZcZvoAg (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-65407?: CVE-2025-65407 is a medium-severity vulnerability in Live555 Streaming Media, classified under Use After Free. CVSS score: 6.5/10. Published 2025-12-01.
How severe is CVE-2025-65407?: Medium severity. CVSS v3 base score is 6.5 out of 10.