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CVE-2017-8911

Publication date 12 May 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.

Status

Package Ubuntu Release Status
tnef 17.04 zesty
Fixed 1.4.12-1ubuntu0.1
16.10 yakkety
Fixed 1.4.9-1+deb8u3build0.16.10.1
16.04 LTS xenial
Fixed 1.4.9-1+deb8u3build0.16.04.1
14.04 LTS trusty
Fixed 1.4.9-1+deb8u3build0.14.04.1

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
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