What is CVE-2018-19212?

CVE-2018-19212 is a medium-severity vulnerability in Webmproject Libwebm, classified under Always-Incorrect Control Flow Implementation. CVSS score: 6.5/10. Published 2018-11-12.

How severe is CVE-2018-19212?

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

Vulnerability in Webmproject Libwebm

CVE-2018-19212

In libwebm through 2018-10-03, there is an abort caused by libwebm::Webm2Pes::InitWebmParser() that will lead to a DoS attack.

Published 2018-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% 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

Webmproject Libwebm

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-19212?: CVE-2018-19212 is a medium-severity vulnerability in Webmproject Libwebm, classified under Always-Incorrect Control Flow Implementation. CVSS score: 6.5/10. Published 2018-11-12.
How severe is CVE-2018-19212?: Medium severity. CVSS v3 base score is 6.5 out of 10.