What is CVE-2019-7733?

CVE-2019-7733 is a high-severity vulnerability in Live555 Streaming Media, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2019-02-11.

How severe is CVE-2019-7733?

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

Integer overflow in Live555 Streaming Media

CVE-2019-7733

In Live555 0.95, there is a buffer overflow via a large integer in a Content-Length HTTP header because handleRequestBytes has an unrestricted memmove.

Vulnerability class: Integer Overflow

Published 2019-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Live555 Streaming Media — versions 0.95

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/rgaufman/live555/issues/21 (Exploit, Third Party Advisory)
security.gentoo.org/glsa/202005-06 (vendor-advisory)

Frequently asked questions

What is CVE-2019-7733?: CVE-2019-7733 is a high-severity vulnerability in Live555 Streaming Media, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2019-02-11.
How severe is CVE-2019-7733?: High severity. CVSS v3 base score is 7.5 out of 10.