What is CVE-2019-19489?

CVE-2019-19489 is a medium-severity vulnerability in Microsoft Windows, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2019-12-02.

How severe is CVE-2019-19489?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Microsoft Windows

CVE-2019-19489

SMPlayer 19.5.0 has a buffer overflow via a long .m3u file.

Vulnerability class: Buffer Overflow

Published 2019-12-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Microsoft Windows
Smplayer — versions 19.5.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.exploit-db.com/exploits/47709 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19489?: CVE-2019-19489 is a medium-severity vulnerability in Microsoft Windows, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2019-12-02.
How severe is CVE-2019-19489?: Medium severity. CVSS v3 base score is 5.5 out of 10.