CVE-2016-4344
Published: 22 May 2016
Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
php5 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(5.3.10-1ubuntu3.22)
|
| trusty |
Not vulnerable
(5.5.9+dfsg-1ubuntu4.16)
|
|
| upstream |
Needs triage
|
|
| wily |
Not vulnerable
(5.6.11+dfsg-1ubuntu3.3)
|
|
| xenial |
Does not exist
|
|
|
php7.0 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| wily |
Does not exist
|
|
| xenial |
Not vulnerable
(7.0.4-7ubuntu2)
|
|
|
Patches: upstream: https://git.php.net/?p=php-src.git;a=commit;h=57b997ebf99e0eb9a073e0dafd2ab100bd4a112d |
||
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |