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CVE-2009-3721

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-26 · updated 2026-06-16
• Weakness: CWE-22

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.

Affected products

• GNOME Evolution: all versions
• ytnef: all versions

References

• http://www.ocert.org/advisories/ocert-2009-013.html
• https://bugzilla.redhat.com/show_bug.cgi?id=521662
• http://www.ocert.org/advisories/ocert-2009-013.html
• https://bugzilla.redhat.com/show_bug.cgi?id=521662

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