What is CVE-2019-15232?

CVE-2019-15232 is a critical-severity vulnerability in Live555 Streaming Media, classified under Use After Free. CVSS score: 9.8/10. Published 2019-08-20.

How severe is CVE-2019-15232?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Live555 Streaming Media

CVE-2019-15232

Live555 before 2019.08.16 has a Use-After-Free because GenericMediaServer::createNewClientSessionWithId can generate the same client session ID in succession, which is mishandled by the MPEG1or2 and Matroska file demultiplexors.

Vulnerability class: Use-After-Free

Published 2019-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (77.6th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Live555 Streaming Media

Weakness classification (CWE)

CWE-416 — Use After Free

References

www.live555.com/liveMedia/public/changelog.txt (Release Notes, Vendor Advisory)
security.gentoo.org/glsa/202005-06 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2019-15232?: CVE-2019-15232 is a critical-severity vulnerability in Live555 Streaming Media, classified under Use After Free. CVSS score: 9.8/10. Published 2019-08-20.
How severe is CVE-2019-15232?: Critical severity. CVSS v3 base score is 9.8 out of 10.