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Vulnerability record · CVE-2019-14442 · published 30 July 2019

CVE-2019-14442: Libav vulnerability

Libav · Libav

In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.

6.5 CVSS 3.1 Medium EPSS 1.0% · top 38.0% CWE-835 · CWE-835
6.5CVSS 3.1 base score, v2 7.1
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
https://bugzilla.libav.org/show_bug.cgi?id=1159 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html Mailing ListThird Party Advisory
https://bugzilla.libav.org/show_bug.cgi?id=1159 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html Mailing ListThird Party Advisory

Track CVE-2019-14442 inside VULONE

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

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Source: NIST National Vulnerability Database (record CVE-2019-14442), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.