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CVE-2020-13904

Date: June 7, 2020

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

Language: C

Severity Score

Related Resources (13)

https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html
https://security-tracker.debian.org/tracker/CVE-2020-13904
https://nvd.nist.gov/vuln/detail/CVE-2020-13904
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq@chinaffmpeg.org/
https://usn.ubuntu.com/4431-1/
https://security.alpinelinux.org/vuln/CVE-2020-13904
https://www.debian.org/security/2020/dsa-4722
https://trac.ffmpeg.org/ticket/8673
https://security.gentoo.org/glsa/202007-58
https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13904
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
https://www.mend.io/vulnerability-database/CVE-2020-13904

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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