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CVE-2017-9049

Published: 18 May 2017

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for libxml2 Bug 759398.

Notes

AuthorNote
mdeslaur
probably same issue as CVE-2017-9050

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libxml2
Launchpad, Ubuntu, Debian
trusty
Released (2.9.1+dfsg1-3ubuntu4.10)
xenial
Released (2.9.3+dfsg1-1ubuntu0.3)
yakkety Ignored
(end of life)
zesty
Released (2.9.4+dfsg1-2.2ubuntu0.1)
upstream
Released (2.9.4+dfsg1-3.1, 2.9.5)
Patches:
upstream: https://git.gnome.org/browse/libxml2/commit/?id=e26630548e7d138d2c560844c43820b6767251e3

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H