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debianDebianDEBIAN:DLA-1651-1:BB7F6
HistoryJan 30, 2019 - 8:45 p.m.

[SECURITY] [DLA 1651-1] libgd2 security update

2019-01-3020:45:03
lists.debian.org
147

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

Low

0.714 High

EPSS

Percentile

98.1%

Package : libgd2
Version : 2.1.0-5+deb8u12
CVE ID : CVE-2018-5711 CVE-2018-1000222 CVE-2019-6977
CVE-2019-6978

Several issues in libgd2, a graphics library that allows to quickly draw
images, have been found.

CVE-2019-6977
A potential double free in gdImage*Ptr() has been reported by Solmaz
Salimi (aka. Rooney).

CVE-2019-6978
Simon Scannell found a heap-based buffer overflow, exploitable with
crafted image data.

CVE-2018-1000222
A new double free vulnerabilities in gdImageBmpPtr() has been
reported by Solmaz Salimi (aka. Rooney).

CVE-2018-5711
Due to an integer signedness error the GIF core parsing function can
enter an infinite loop. This will lead to a Denial of Service and
exhausted server resources.

For Debian 8 "Jessie", these problems have been fixed in version
2.1.0-5+deb8u12.

We recommend that you upgrade your libgd2 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

Low

0.714 High

EPSS

Percentile

98.1%