Buffer overflow in Sylpheed before 1.0.3 and other versions before 1.9.5 allows remote attackers to execute arbitrary code via an e-mail message with certain headers containing non-ASCII characters that are not properly handled when the user replies to the message.
Conclusion & alert: CVE-2005-0667 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.25%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.34% | 3.25% | -0.09% |
| 2 | 2025-12-23 | 3.41% | 3.34% | -0.07% |
| 3 | 2025-12-10 | — | 3.41% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2005-0667 not yet assigned priority: Debian including 1 source packages (sylpheed), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2005-0667 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2005-0667 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sylpheed | sylpheed | 0.8.11 | cpe:2.3:a:sylpheed:sylpheed:0.8.11:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.4 | cpe:2.3:a:sylpheed:sylpheed:0.9.4:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.5 | cpe:2.3:a:sylpheed:sylpheed:0.9.5:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.6 | cpe:2.3:a:sylpheed:sylpheed:0.9.6:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.7 | cpe:2.3:a:sylpheed:sylpheed:0.9.7:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.8 | cpe:2.3:a:sylpheed:sylpheed:0.9.8:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.9 | cpe:2.3:a:sylpheed:sylpheed:0.9.9:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.10 | cpe:2.3:a:sylpheed:sylpheed:0.9.10:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.11 | cpe:2.3:a:sylpheed:sylpheed:0.9.11:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.12 | cpe:2.3:a:sylpheed:sylpheed:0.9.12:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 0.9.99 | cpe:2.3:a:sylpheed:sylpheed:0.9.99:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 1.0.0 | cpe:2.3:a:sylpheed:sylpheed:1.0.0:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 1.0.1 | cpe:2.3:a:sylpheed:sylpheed:1.0.1:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 1.0.2 | cpe:2.3:a:sylpheed:sylpheed:1.0.2:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | 1.0.2 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:1.0.2:*:*:*:*:*:*:* |
| altlinux | alt_linux | 2.3 | cpe:2.3:o:altlinux:alt_linux:2.3:*:compact:*:*:*:*:* |
| altlinux | alt_linux | 2.3 | cpe:2.3:o:altlinux:alt_linux:2.3:*:junior:*:*:*:*:* |
| gentoo | linux | — | cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server_ia64:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server_ia64:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation_ia64:*:*:*:*:* |
| redhat | fedora_core | core_3.0 | cpe:2.3:o:redhat:fedora_core:core_3.0:*:*:*:*:*:*:* |
| redhat | linux_advanced_workstation | 2.1 | cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:ia64:*:*:*:*:* |
| redhat | linux_advanced_workstation | 2.1 | cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:itanium_processor:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/14491 | Patch Vendor Advisory |
| http://securitytracker.com/id?1013376 | Vendor Advisory |
| http://sylpheed.good-day.net/changelog-devel.html.en | Patch Vendor Advisory |
| http://sylpheed.good-day.net/changelog.html.en | Patch Vendor Advisory |
| http://www.gentoo.org/security/en/glsa/glsa-200503-26.xml | Patch Vendor Advisory |
| http://www.redhat.com/support/errata/RHSA-2005-303.html | Patch Vendor Advisory |