FreeBSD : libxml2 -- multiple vulnerabilities (e195679d-045b-4953-bb33-be0073ba2ac6)

high Nessus Plugin ID 93145
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VPR Score: 6.7


The remote FreeBSD host is missing a security-related update.


Daniel Veillard reports :

More format string warnings with possible format string vulnerability (David Kilzer)

Avoid building recursive entities (Daniel Veillard)

Heap-based buffer overread in htmlCurrentChar (Pranjal Jumde)

Heap-based buffer-underreads due to xmlParseName (David Kilzer)

Heap use-after-free in xmlSAX2AttributeNs (Pranjal Jumde)

Heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral (Pranjal Jumde)

Fix some format string warnings with possible format string vulnerability (David Kilzer)

Detect change of encoding when parsing HTML names (Hugh Davenport)

Fix inappropriate fetch of entities content (Daniel Veillard)

Bug 759398: Heap use-after-free in xmlDictComputeFastKey (Pranjal Jumde)

Bug 758605: Heap-based buffer overread in xmlDictAddString (Pranjal Jumde)

Bug 758588: Heap-based buffer overread in xmlParserPrintFileContextInternal (David Kilzer)

Bug 757711: heap-buffer-overflow in xmlFAParsePosCharGroup (Pranjal Jumde)

Add missing increments of recursion depth counter to XML parser.
(Peter Simons)

Fix NULL pointer deref in XPointer range-to


Update the affected package.

See Also

Plugin Details

Severity: High

ID: 93145

File Name: freebsd_pkg_e195679d045b4953bb33be0073ba2ac6.nasl

Version: 2.7

Type: local

Published: 8/29/2016

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS v2.0

Base Score: 9.3

Temporal Score: 7.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.9

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

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:libxml2, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/28/2016

Vulnerability Publication Date: 5/23/2016

Reference Information

CVE: CVE-2016-1762, CVE-2016-1833, CVE-2016-1834, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-1840, CVE-2016-3627, CVE-2016-3705, CVE-2016-4449, CVE-2016-4483