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Vulnerability record · CVE-2017-6800 · published 10 March 2017

CVE-2017-6800: Ytnef project ytnef out-of-bounds read vulnerability

YYtnef Project · Ytnef

An issue was discovered in ytnef before 1.9.2. An invalid memory access (heap-based buffer over-read) can occur during handling of LONG data types, related to MAPIPrint() in libytnef.

7.5 CVSS 3.0 High EPSS 1.7% · top 23.2% CWE-125 · Out-of-bounds read
7.5CVSS 3.0 base score, v2 5.0
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in ytnef before 1.9.2. An invalid memory access (heap-based buffer over-read) can occur during handling of LONG data types, related to MAPIPrint() in libytnef.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3846 Third Party Advisory
https://github.com/Yeraze/ytnef/commit/f98f5d4adc1c4bd4033638f6167c1bb95d642f89 Patch
https://github.com/Yeraze/ytnef/issues/28 ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQ
http://www.debian.org/security/2017/dsa-3846 Third Party Advisory
https://github.com/Yeraze/ytnef/commit/f98f5d4adc1c4bd4033638f6167c1bb95d642f89 Patch
https://github.com/Yeraze/ytnef/issues/28 ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQ

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Source: NIST National Vulnerability Database (record CVE-2017-6800), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.