The enigmail extension before 0.94.2 does not properly handle large, encrypted file…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01729 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-5877
- 2026-10-03 Alias added: GHSA-988q-v857-cfw9
References
More Enigmail vulnerabilities
- TI-2018-08613 The signature verification routine in Enigmail before 2.0.7 interprets user ids as… CVSS 3.0HIGH 7.5
- TI-2017-13081 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
- TI-2017-13079 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
- TI-2019-09155 Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an… CVSS 3.0HIGH 7.5
- TI-2017-13080 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
- TI-2017-13078 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.3
Sources
- CVE-2006-5877 · CVE Program
- CVE-2006-5877 · NVD
- FIRST EPSS
- GHSA-988q-v857-cfw9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences