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HistoryApr 27, 2019 - 7:45 a.m.

[SECURITY] [DSA 4435-1] libpng1.6 security update

2019-04-2707:45:35
lists.debian.org
16

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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


Debian Security Advisory DSA-4435-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
April 27, 2019 https://www.debian.org/security/faq


Package : libpng1.6
CVE ID : CVE-2019-7317
Debian Bug : 921355

A use-after-free vulnerability was discovered in the png_image_free()
function in the libpng PNG library, which could lead to denial of
service or potentially the execution of arbitrary code if a malformed
image is processed.

For the stable distribution (stretch), this problem has been fixed in
version 1.6.28-1+deb9u1.

We recommend that you upgrade your libpng1.6 packages.

For the detailed security status of libpng1.6 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libpng1.6

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]

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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