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Out-of-Bounds Affecting libxml2 package, versions <2.9.1+dfsg1-5+deb8u5

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.29% (69th percentile)
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NVD
7.5 high
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Red Hat
4.8 medium

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  • Snyk ID SNYK-DEBIAN8-LIBXML2-429383
  • published 18 May 2017
  • disclosed 18 May 2017
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Introduced: 18 May 2017

CVE-2017-9048 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:8 libxml2 to version 2.9.1+dfsg1-5+deb8u5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a stack-based buffer overflow. The function xmlSnprintfElementContent in valid.c is supposed to recursively dump the element content definition into a char buffer 'buf' of size 'size'. At the end of the routine, the function may strcat two more characters without checking whether the current strlen(buf) + 2 < size. This vulnerability causes programs that use libxml2, such as PHP, to crash.

References