CVE-2017-6802 — An issue was discovered in ytnef before 1
An issue was discovered in ytnef before 1.9.2. There is a potential heap-based buffer over-read on incoming Compressed RTF Streams, related to DecompressRTF() in libytnef.
Published
2017-03-10T10:59:00.577
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
01What is this vulnerability?
An issue was discovered in ytnef before 1.9.2. There is a potential heap-based buffer over-read on incoming Compressed RTF Streams, related to DecompressRTF() in libytnef.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-03-10T10:59:00.577
- Last modified: 2026-05-13T00:24:29.033
09References
- www.debian.org — http://www.debian.org/security/2017/dsa-3846
- github.com — https://github.com/Yeraze/ytnef/commit/22f8346c8d4f0020a40d9f258fdb3bfc097359cc
- github.com — https://github.com/Yeraze/ytnef/issues/34
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- www.debian.org — http://www.debian.org/security/2017/dsa-3846
- github.com — https://github.com/Yeraze/ytnef/commit/22f8346c8d4f0020a40d9f258fdb3bfc097359cc
- github.com — https://github.com/Yeraze/ytnef/issues/34
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
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