Security readout for executives and security teams
CVE-2017-6299 is a denial-of-service issue in ytnef before 1.9.1. A flaw in the TNEFFillMapi function can cause an infinite loop, tying up processing resources. The source bundle does not provide CVSS scoring or evidence of active exploitation. Exposure is most likely where ytnef or libytnef is installed and used to process TNEF content. Mail-handling, attachment-processing, or conversion workflows should be checked. The bundle’s affected-product data is incomplete, so package inventories matter. Treat this as a targeted operational resilience issue. Prioritize systems that automatically process inbound attachments or TNEF data, because a denial-of-service bug can disrupt mail or document workflows even without code execution. Mitigation focus: Upgrade ytnef to version 1.9.1 or a vendor-supported fixed package.; Review Debian and Fedora advisories if using their packaged versions.; Temporarily limit untrusted TNEF processing where patching is delayed..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2017-6299 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Yeraze/ytnef/pull/27CVE reference · x_refsource_MISC
- https://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef/CVE reference · x_refsource_MISC
- FEDORA-2019-7d7083b8beCVE reference · vendor-advisory, x_refsource_FEDORA
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.