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Debian Security Bug TrackerDEBIANCVE:CVE-2020-11721

HistoryApr 12, 2020 - 7:15 p.m.

CVE-2020-11721

2020-04-1219:15:10

Debian Security Bug Tracker

security-tracker.debian.org

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

40.6%

JSON

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Debian12alllibsixel< 1.10.3-1libsixel_1.10.3-1_all.deb
Debian11alllibsixel<= 1.8.6-2libsixel_1.8.6-2_all.deb
Debian999alllibsixel< 1.10.3-1libsixel_1.10.3-1_all.deb
Debian13alllibsixel< 1.10.3-1libsixel_1.10.3-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libsixel	< 1.10.3-1	libsixel_1.10.3-1_all.deb
Debian	11	all	libsixel	<= 1.8.6-2	libsixel_1.8.6-2_all.deb
Debian	999	all	libsixel	< 1.10.3-1	libsixel_1.10.3-1_all.deb
Debian	13	all	libsixel	< 1.10.3-1	libsixel_1.10.3-1_all.deb

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

40.6%

JSON

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