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ubuntucveUbuntu.comUB:CVE-2020-35965
HistoryJan 04, 2021 - 12:00 a.m.

CVE-2020-35965

2021-01-0400:00:00
ubuntu.com
ubuntu.com
19
ffmpeg
libavcodec
exr.c
out-of-bounds write
decode_frame
errors
calculations
memset zero operations
unix

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.009

Percentile

82.5%

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write
because of errors in calculations of when to perform memset zero
operations.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchffmpeg< 7:3.4.11-0ubuntu0.1UNKNOWN
ubuntu20.04noarchffmpeg< 7:4.2.7-0ubuntu0.1UNKNOWN
ubuntu21.04noarchffmpeg< 7:4.3.2-0+deb11u1ubuntu1UNKNOWN
ubuntu16.04noarchffmpeg< 7:2.8.17-0ubuntu0.1+esm4UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.009

Percentile

82.5%