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CVE-2017-6300

24
FAUCET Score

CVE-2017-6300 is a buffer overflow vulnerability in ytnef versions prior to 1.9.1, specifically affecting the version field in lib/tnef-types.h. This flaw impacts Debian Linux and the ytnef project. It carries a high CVSS score of 7.8, indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion beyond a single mention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9CPE matchmatch criteria
cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.34%
Probability of exploitation in next 30 days
EPSS Percentile
68.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 66th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Yeraze/ytnef/pull/27
Issue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ
x41-dsec.de / lab/advisories/x41-2017-002-ytnef
PatchThird Party Advisory
debian.org / security/2017/dsa-3846
Third Party Advisory
openwall.com / lists/oss-security/2017/02/15/4
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/96423
Third Party AdvisoryVDB Entry