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ubuntuUbuntuUSN-4809-1
HistoryMar 15, 2021 - 12:00 a.m.

VideoLAN x265 vulnerability

2021-03-1500:00:00
ubuntu.com
15
videolan
x265
ubuntu 16.04 esm
h.265/hevc
vulnerability
memory-allocation
denial of service
crash

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

34.3%

Releases

  • Ubuntu 16.04 ESM

Packages

  • x265 - H.265/HEVC video stream encoder

Details

It was discovered that VideoLAN x265 mishandled certain memory-allocation
inputs. An attacker could use this vulnerability to cause a denial of
service (crash)

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

34.3%