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ubuntucveUbuntu.comUB:CVE-2020-13904
HistoryJun 07, 2020 - 12:00 a.m.

CVE-2020-13904

2020-06-0700:00:00
ubuntu.com
ubuntu.com
12

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.8%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchffmpeg< 7:3.4.8-0ubuntu0.2UNKNOWN
ubuntu20.04noarchffmpeg< 7:4.2.4-1ubuntu0.1UNKNOWN
ubuntu16.04noarchffmpeg< 7:2.8.17-0ubuntu0.1UNKNOWN

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.8%