CVE-2009-3721

Name: CVE-2009-3721
Creator: NVD / NIST
Published: 2021-05-26T22:15:07.697+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.61%

Last modified Jun 16, 2026

CVE-2009-3721 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF. A crafted email could cause these applications to write data in arbitrary locations on the filesystem, crash, or potentially execute arbitrary code when decoding attachments.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.

Description

Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF. A crafted email could cause these applications to write data in arbitrary locations on the filesystem, crash, or potentially execute arbitrary code when decoding attachments.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.61%

72.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Gnome	Evolution	All versions
Ytnef Project	Ytnef	All versions

References

http://www.ocert.org/advisories/ocert-2009-013.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=521662Issue Tracking, Patch, Third Party Advisory
http://www.ocert.org/advisories/ocert-2009-013.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=521662Issue Tracking, Patch, Third Party Advisory

Timeline

Published: May 26, 2021
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-3721?

How severe is CVE-2009-3721?

CVE-2009-3721 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.

How do I fix CVE-2009-3721?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-3721?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST