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CVE-2016-6294

Published: 25 July 2016

The locale_accept_from_http function in ext/intl/locale/locale_methods.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly restrict calls to the ICU uloc_acceptLanguageFromHTTP function, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long argument.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.24)
trusty
Released (5.5.9+dfsg-1ubuntu4.19)
upstream Needs triage

wily Ignored
(end of life)
xenial Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4

php7.0
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (7.0.9)
wily Does not exist

xenial
Released (7.0.8-0ubuntu0.16.04.2)
Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H