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gentooGentoo FoundationGLSA-201702-25
HistoryFeb 20, 2017 - 12:00 a.m.

libass: Multiple vulnerabilities

2017-02-2000:00:00
Gentoo Foundation
security.gentoo.org
31

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

0.026

Percentile

90.3%

Background

libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.

Description

Multiple vulnerabilities have been discovered in libass. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could cause a Denial of Service condition or other unknown impacts via unknown attack vectors.

Workaround

There is no known workaround at this time.

Resolution

All libass users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/libass-0.13.4"
OSVersionArchitecturePackageVersionFilename
Gentooanyallmedia-libs/libass< 0.13.4UNKNOWN

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

0.026

Percentile

90.3%