CVE-2018-6797

2019-12-1222:31:33

redhat.com

access.redhat.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

JSON

A heap buffer write overflow, with control over the bytes written, was found in the way regular expressions employing Unicode rules are compiled. An attacker, with the ability to provide a specially crafted regular expression, could crash the perl interpreter, or possibly execute arbitrary code.