CVE-2009-3721: Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's

This month

HIGH 7.8MITIGATEMITIGATE

CVE-2009-3721 is a high-severity flaw (CVSS 7.8) affecting evolution, ytnef. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-05-26
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: gnome · ytnef project

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-05-26 22:15 UTCPublished CVE record published
2026-06-16 23:12 UTCUpdated Record last modified

gnome evolution MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy evolution || rpm -q evolution || evolution --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

ytnef project ytnef MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ytnef || rpm -q ytnef || ytnef --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2009-3721?

evolution: mitigate or apply the listed mitigation; ytnef: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-3721 being exploited?

CVE-2009-3721 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2009-3721 affect?

CVE-2009-3721 affects evolution, ytnef. Severity is high (CVSS 7.8). 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

How urgent is CVE-2009-3721?

Priority 46/100. High severity

Related CVEs

CVE-2024-29844 CRITICAL 9.8 UPGRADE Default credentials on the Web Interface of Evolution Controller 2.x allows anyone to log in to the server dir
CVE-2024-29843 HIGH 7.5 UPGRADE The Web interface of Evolution Controller Versions 2.04.560.31.03.2024 and below contains poorly configured ac
CVE-2024-29842 HIGH 7.5 UPGRADE The Web interface of Evolution Controller Versions 2.04.560.31.03.2024 and below contains poorly configured ac
CVE-2024-29841 HIGH 7.5 UPGRADE The Web interface of Evolution Controller Versions 2.04.560.31.03.2024 and below contains poorly configured ac
CVE-2024-29840 HIGH 7.5 UPGRADE The Web interface of Evolution Controller Versions 2.04.560.31.03.2024 and below contains poorly configured ac

References

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