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Vulnerability record · CVE-2017-9993 · published 28 June 2017

CVE-2017-9993: Ffmpeg information exposure vulnerability

Ffmpeg · Ffmpeg

FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.

7.5 CVSS 3.0 High EPSS 16% · top 3.1% CWE-200 · Information exposure
7.5CVSS 3.0 base score, v2 5.0
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.

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

Affected products

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

References

LinkTags
http://www.debian.org/security/2017/dsa-3957 Third Party Advisory
http://www.securityfocus.com/bid/99315 Third Party AdvisoryVDB Entry
https://github.com/FFmpeg/FFmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021 Issue TrackingPatchThird Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html Mailing ListThird Party Advisory
http://www.debian.org/security/2017/dsa-3957 Third Party Advisory
http://www.securityfocus.com/bid/99315 Third Party AdvisoryVDB Entry
https://github.com/FFmpeg/FFmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021 Issue TrackingPatchThird Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-9993), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.