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Vulnerability record · CVE-2018-19128 · published 9 November 2018

CVE-2018-19128: Libav out-of-bounds read vulnerability

Libav · Libav

In Libav 12.3, there is a heap-based buffer over-read in decode_frame in libavcodec/lcldec.c that allows an attacker to cause denial-of-service via a crafted avi file.

6.5 CVSS 3.0 Medium EPSS 1.1% · top 36.7% CWE-125 · Out-of-bounds read
6.5CVSS 3.0 base score, v2 4.3
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

In Libav 12.3, there is a heap-based buffer over-read in decode_frame in libavcodec/lcldec.c that allows an attacker to cause denial-of-service via a crafted avi file.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.libav.org/show_bug.cgi?id=1137 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html
https://bugzilla.libav.org/show_bug.cgi?id=1137 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-19128), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.