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Vulnerability record · CVE-2018-5684 · published 14 January 2018

CVE-2018-5684: Libav memory buffer overflow vulnerability

Libav · Libav

In Libav through 12.2, there is an invalid memcpy call in the ff_mov_read_stsd_entries function of libavformat/mov.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) and program failure with a crafted avi file.

8.8 CVSS 3.0 High EPSS 1.2% · top 32.5% CWE-119 · Memory buffer overflow
8.8CVSS 3.0 base score, v2 6.8
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Libav through 12.2, there is an invalid memcpy call in the ff_mov_read_stsd_entries function of libavformat/mov.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) and program failure with a crafted avi file.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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=1110 ExploitIssue TrackingThird Party Advisory
https://bugzilla.libav.org/show_bug.cgi?id=1110 ExploitIssue TrackingThird Party Advisory

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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-2018-5684), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.