pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).
Conclusion & alert: CVE-2007-4897 is rated High Exploit Risk (69.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 22.73%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 9241 | exploit_db | edb | 2009-07-24 | Exploit-DB ↗ |
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 | 2026-05-03 | 22.07% | 22.73% | +0.66% |
| 2 | 2025-11-29 | 22.27% | 22.07% | -0.20% |
| 3 | 2025-06-05 | — | 22.27% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2007-4897 |
ubuntu
|
low | CVE-2007-4897 low priority: Ubuntu including 1 source packages (pwlib), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 4, needed 1. | https://ubuntu.com/security/CVE-2007-4897 |