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LIN5-23145 : Security Advisory - libxml2 - CVE-2017-9048

Created: May 25, 2017    Updated: May 29, 2018
Resolved Date: Jul 20, 2017
Found In Version: 5.0.1.39
Fix Version: 5.0.1.41
Severity: Standard
Applicable for: Wind River Linux 5
Component/s: Userspace

Description

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.

https://nvd.nist.gov/vuln/detail/CVE-2017-9048

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