What’s Vulnerable › Vulnerabilities

CVE-2017-6309

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-24 · updated 2026-06-17
• Weakness: CWE-125

Description

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Affected products

• Debian Linux: 8.0
• Tnef Project Tnef: through 1.4.12

References

• http://www.debian.org/security/2017/dsa-3798
• http://www.securityfocus.com/bid/96427
• https://github.com/verdammelt/tnef/blob/master/ChangeLog
• https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d
• https://security.gentoo.org/glsa/201708-02
• https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/
• http://www.debian.org/security/2017/dsa-3798
• http://www.securityfocus.com/bid/96427
• https://github.com/verdammelt/tnef/blob/master/ChangeLog
• https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d
• https://security.gentoo.org/glsa/201708-02
• https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/

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