CVE-2017-6310: An issue was discovered in tnef before 1.4.13.

Security readout for executives and security teams

CVE-2017-6310 is a memory-safety issue in tnef before 1.4.13. A crafted file could trigger type confusion in MAPI attribute handling, causing attacker-influenced invalid reads or writes. The source bundle does not provide CVSS scoring, confirmed exploitation, or complete impact details. Exposure is most likely where tnef before 1.4.13 is installed and processes untrusted TNEF content, such as files received from external sources. The bundle does not identify specific downstream products beyond tnef and distribution advisories. Treat as a targeted patching item for mail or file-processing systems. Urgency is lower than known-exploited issues, but attacker-controlled memory access justifies timely remediation where untrusted content is processed. Mitigation focus: Upgrade tnef to version 1.4.13 or later where available.; Apply Debian or Gentoo vendor security updates if using their packages.; Restrict processing of untrusted TNEF files until patched..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.