Sylpheed-Claws before 2.2.2 and Sylpheed before 2.2.6 allow remote attackers to bypass the URI check functionality and makes it easier to conduct phishing attacks via a URI that begins with a space character.
Conclusion & alert: CVE-2006-2920 is rated Low Risk (34.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.41%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 1.10% | 1.41% | +0.30% |
| 2 | 2025-07-03 | 0.90% | 1.10% | +0.20% |
| 3 | 2025-03-30 | — | 0.90% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2006-2920 low 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-2006-2920 |
ubuntu
|
medium | CVE-2006-2920 medium priority: Ubuntu including 4 source packages (claws-mail, sylpheed-claws, sylpheed-claws-gtk2, sylpheed-gtk1), 36 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 15, released 14, needs-triage 4, ignored 3. | https://ubuntu.com/security/CVE-2006-2920 |
: This vulnerability is addressed in the following product release: Sylpheed-Claws, Sylpheed-Claws, 2.2.2
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sylpheed | sylpheed | <= 2.2.5 | cpe:2.3:a:sylpheed:sylpheed:*:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.0 | cpe:2.3:a:sylpheed:sylpheed:2.0:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.0.1 | cpe:2.3:a:sylpheed:sylpheed:2.0.1:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.0.2 | cpe:2.3:a:sylpheed:sylpheed:2.0.2:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.0.3 | cpe:2.3:a:sylpheed:sylpheed:2.0.3:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1 | cpe:2.3:a:sylpheed:sylpheed:2.1:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1.1 | cpe:2.3:a:sylpheed:sylpheed:2.1.1:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1.2 | cpe:2.3:a:sylpheed:sylpheed:2.1.2:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1.3 | cpe:2.3:a:sylpheed:sylpheed:2.1.3:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1.4 | cpe:2.3:a:sylpheed:sylpheed:2.1.4:*:*:*:*:*:*:* |
| sylpheed | sylpheed | 2.1.5 | cpe:2.3:a:sylpheed:sylpheed:2.1.5:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | <= 2.2.1 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:*:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | 0.9.4 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.4:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | 0.9.5 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.5:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | 0.9.6 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.6:*:*:*:*:*:*:* |
| sylpheed-claws | sylpheed-claws | 1.0.2 | cpe:2.3:a:sylpheed-claws:sylpheed-claws:1.0.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/20476 | Patch Vendor Advisory |
| http://secunia.com/advisories/20577 | Vendor Advisory |
| http://sourceforge.net/project/shownotes.php?release_id=422662&group_id=25528 | Patch |
| http://sylpheed.good-day.net/en/news.html%5C | |
| http://www.vupen.com/english/advisories/2006/2173 | Vendor Advisory |
| http://www.vupen.com/english/advisories/2006/2283 | Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/27089 |