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Ubuntu.comUB:CVE-2019-20056

HistoryDec 29, 2019 - 12:00 a.m.

CVE-2019-20056

2019-12-2900:00:00

ubuntu.com

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

40.7%

JSON

stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other
products, has an assertion failure in stbi__shiftsigned.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948103>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibsixel< anyUNKNOWN
ubuntu20.04noarchlibsixel< anyUNKNOWN
ubuntu16.04noarchlibsixel< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libsixel	< any	UNKNOWN
ubuntu	20.04	noarch	libsixel	< any	UNKNOWN
ubuntu	16.04	noarch	libsixel	< any	UNKNOWN

References

github.com/saitoha/libsixel/issues/126

launchpad.net/bugs/cve/CVE-2019-20056

nvd.nist.gov/vuln/detail/CVE-2019-20056

security-tracker.debian.org/tracker/CVE-2019-20056

www.cve.org/CVERecord?id=CVE-2019-20056

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

40.7%

JSON

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