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ubuntucveUbuntu.comUB:CVE-2019-17539
HistoryOct 14, 2019 - 12:00 a.m.

CVE-2019-17539

2019-10-1400:00:00
ubuntu.com
ubuntu.com
10

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

88.9%

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL
pointer dereference and possibly unspecified other impact when there is no
valid close function pointer.

Notes

Author Note
ebarretto This issue was caused by b1febda0619 The above commit was never integrated to 2.8.x but for 3.4, it was both integrated and fixed in 3.4.7, so letting bionic version marked as needed.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchffmpeg< 7:3.4.8-0ubuntu0.2UNKNOWN
ubuntu14.04noarchlibav< anyUNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

88.9%