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HistoryJan 31, 2021 - 5:06 a.m.

[SECURITY] [DLA 2537-1] ffmpeg security update

2021-01-3105:06:50
lists.debian.org
78

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

9.7 High

AI Score

Confidence

High

0.02 Low

EPSS

Percentile

89.0%


Debian LTS Advisory DLA-2537-1 [email protected]
https://www.debian.org/lts/security/ Roberto C. Sánchez
January 31, 2021 https://wiki.debian.org/LTS

Package : ffmpeg
Version : 7:3.2.15-0+deb9u2
CVE ID : CVE-2019-17539 CVE-2020-35965
Debian Bug : 979999

Two vulnerabilities have been discovered in ffmpeg, a widely used
multimedia framework.

CVE-2019-17539

a NULL pointer dereference and possibly unspecified other impact
when there is no valid close function pointer

CVE-2020-35965

an out-of-bounds write because of errors in calculations of when to
perform memset zero operations

For Debian 9 stretch, these problems have been fixed in version
7:3.2.15-0+deb9u2.

We recommend that you upgrade your ffmpeg packages.

For the detailed security status of ffmpeg please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ffmpeg

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: PGP signature

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

9.7 High

AI Score

Confidence

High

0.02 Low

EPSS

Percentile

89.0%