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CVE-2017-9048

Published: 18 May 2017

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.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
libxml2
Launchpad, Ubuntu, Debian
precise
Released (2.7.8.dfsg-5.1ubuntu4.18)
trusty
Released (2.9.1+dfsg1-3ubuntu4.10)
upstream
Released (2.9.4+dfsg1-3.1)
xenial
Released (2.9.3+dfsg1-1ubuntu0.3)
yakkety Ignored
(reached end-of-life)
zesty
Released (2.9.4+dfsg1-2.2ubuntu0.1)