What is CVE-2018-19130?

CVE-2018-19130 is a medium-severity vulnerability in Libav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-11-09.

How severe is CVE-2018-19130?

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

Buffer overflow in Libav

CVE-2018-19130

In Libav 12.3, there is an invalid memory access in vc1_decode_frame in libavcodec/vc1dec.c that allows attackers to cause a denial-of-service via a crafted aac file. NOTE: This may be a duplicate of CVE-2017-17127

Vulnerability class: Buffer Overflow

Published 2018-11-09 · 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: 0.011 (65.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Libav — versions 12.3

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

bugzilla.libav.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2019/12/msg00003.html (mailing-list)
exchange.xforce.ibmcloud.com/vulnerabilities/152819 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-19130?: CVE-2018-19130 is a medium-severity vulnerability in Libav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-11-09.
How severe is CVE-2018-19130?: Medium severity. CVSS v3 base score is 6.5 out of 10.