What is CVE-2021-38380?

CVE-2021-38380 is a high-severity vulnerability in Live555, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-08-10.

How severe is CVE-2021-38380?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Live555

CVE-2021-38380

Live555 through 1.08 mishandles huge requests for the same MP3 stream, leading to recursion and s stack-based buffer over-read. An attacker can leverage this to launch a DoS attack.

Vulnerability class: Buffer Overflow

Published 2021-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Live555

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

lists.live555.com/pipermail/live-devel/2021-August/021954.html (Exploit, Mailing List, Vendor Advisory)
www.live555.com/liveMedia/public/changelog.txt

Frequently asked questions

What is CVE-2021-38380?: CVE-2021-38380 is a high-severity vulnerability in Live555, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-08-10.
How severe is CVE-2021-38380?: High severity. CVSS v3 base score is 7.5 out of 10.