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Debian Security Bug TrackerDEBIANCVE:CVE-2018-19757

HistoryNov 30, 2018 - 3:29 a.m.

CVE-2018-19757

2018-11-3003:29:00

Debian Security Bug Tracker

security-tracker.debian.org

null pointer dereference

sixel_helper_set_additional_message

denial of service

unix

CVSS2

4.3

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

36.3%

JSON

There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Debian12alllibsixel< 1.8.2-2libsixel_1.8.2-2_all.deb
Debian11alllibsixel< 1.8.2-2libsixel_1.8.2-2_all.deb
Debian999alllibsixel< 1.8.2-2libsixel_1.8.2-2_all.deb
Debian13alllibsixel< 1.8.2-2libsixel_1.8.2-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libsixel	< 1.8.2-2	libsixel_1.8.2-2_all.deb
Debian	11	all	libsixel	< 1.8.2-2	libsixel_1.8.2-2_all.deb
Debian	999	all	libsixel	< 1.8.2-2	libsixel_1.8.2-2_all.deb
Debian	13	all	libsixel	< 1.8.2-2	libsixel_1.8.2-2_all.deb

CVSS2

4.3

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

36.3%

JSON

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