CVE-2006-5877
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail...
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
Exploit likelihood
What each source reports
NVD Score used
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
CVE-2006-5877- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
CVE-2006-5877- Updated
- 2026-11-02
EUVDEUVD-2006-5861 No score
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
EUVD-2006-5861- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-988q-v857-cfw9 No score
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail...
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
GHSA-988q-v857-cfw9- Updated
- 2026-11-02
OSV No score
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
CVE-2006-5877- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-5877 No score
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
- Record
DEBIAN-CVE-2006-5877- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
enigmailDebian:11 |
before 2:0.94.2-1 | 2:0.94.2-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5877 is a high vulnerability (CVSS 7.8) in Enigmail, published February 23, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. Fixed in enigmail 2:0.94.2-1.