The find_replen function in jsstr.c in the Javascript engine for Mozilla Suite 1.7.6, Firefox 1.0.1 and 1.0.2, and Netscape 7.2 allows remote attackers to read portions of heap memory in a Javascript string via the lambda replace method.
Conclusion & alert: CVE-2005-0989 is rated High Exploit Risk (63.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 25.30%, 96th percentile). Core evidence: 4 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 |
|---|---|---|---|---|
| 25334 | exploit_db | edb | 2005-04-04 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2025-04-14 | 36.80% | 25.30% | -11.51% |
| 2 | 2025-03-30 | 43.56% | 36.80% | -6.76% |
| 3 | 2025-03-29 | — | 43.56% | — |
Full EPSS history (10 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
|
high | — | https://access.redhat.com/security/cve/CVE-2005-0989 |
ubuntu
|
medium | CVE-2005-0989 medium priority: Ubuntu including 2 source packages (mozilla, mozilla-thunderbird), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): released 5, needs-triage 2, DNE 1. | https://ubuntu.com/security/CVE-2005-0989 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | firefox | 1.0.1 | cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 1.0.2 | cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:* |
| mozilla | mozilla | 1.7.6 | cpe:2.3:a:mozilla:mozilla:1.7.6:*:*:*:*:*:*:* |
| netscape | navigator | 7.2 | cpe:2.3:a:netscape:navigator:7.2:*:*:*:*:*:*:* |