CVE-2017-8911

CRITICAL

tnef 1.4.14 - Integer Underflow in unicode_to_utf8 Function

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/verdammelt/tnef/issues/23
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3869
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201708-02

Scores

CVSS v3 9.8
EPSS 0.0193
EPSS Percentile 77.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-191
Status published
Products (1)
tnef_project/tnef 1.4.14
Published May 12, 2017
Tracked Since Feb 18, 2026