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debianDebianDEBIAN:DLA-2085-1:566B5
HistoryJan 29, 2020 - 9:52 p.m.

[SECURITY] [DLA 2085-1] zlib security update

2020-01-2921:52:33
lists.debian.org
76

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.014 Low

EPSS

Percentile

86.1%

Package : zlib
Version : 1:1.2.8.dfsg-2+deb8u1
CVE ID : CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843

Several issues have been found in zlib, a compression library.
They are basically about improper big-endian CRC calculation, improper
left shift of negative integers and improper pointer arithmetic.

For Debian 8 "Jessie", these problems have been fixed in version
1:1.2.8.dfsg-2+deb8u1.

We recommend that you upgrade your zlib 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

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.014 Low

EPSS

Percentile

86.1%