What’s Vulnerable › Vulnerabilities

CVE-2017-8911

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-12 · updated 2026-06-17
• Weakness: CWE-191

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.

Affected products

• Tnef Project Tnef: 1.4.14

References

• http://www.debian.org/security/2017/dsa-3869
• https://github.com/verdammelt/tnef/issues/23
• https://security.gentoo.org/glsa/201708-02
• http://www.debian.org/security/2017/dsa-3869
• https://github.com/verdammelt/tnef/issues/23
• https://security.gentoo.org/glsa/201708-02

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