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debianDebianDEBIAN:DSA-5111-1:D8F18
HistoryApr 01, 2022 - 3:20 p.m.

[SECURITY] [DSA 5111-1] zlib security update

2022-04-0115:20:47
lists.debian.org
106
zlib
memory handling
denial of service
arbitrary code
security update
debian

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.003

Percentile

68.4%


Debian Security Advisory DSA-5111-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
April 01, 2022 https://www.debian.org/security/faq


Package : zlib
CVE ID : CVE-2018-25032
Debian Bug : 1008265

Danilo Ramos discovered that incorrect memory handling in zlib's deflate
handling could result in denial of service or potentially the execution
of arbitrary code if specially crafted input is processed.

For the oldstable distribution (buster), this problem has been fixed
in version 1:1.2.11.dfsg-1+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 1:1.2.11.dfsg-2+deb11u1.

We recommend that you upgrade your zlib packages.

For the detailed security status of zlib please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/zlib

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

Mailing list: [email protected]

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.003

Percentile

68.4%