Buffer overflow in the redir function in check_http.c in Nagios Plugins before 1.4.10, when running with the -f (follow) option, allows remote web servers to execute arbitrary code via Location header responses (redirects) with a large number of leading "L" characters.
Conclusion & alert: CVE-2007-5198 is rated High Exploit Risk (70.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.02%, 94th percentile). Core evidence: 2 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 |
|---|---|---|---|---|
| 30646 | exploit_db | edb | 2007-07-16 | 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 | 2026-06-15 | 16.84% | 8.02% | -8.82% |
| 2 | 2026-05-23 | 16.30% | 16.84% | +0.54% |
| 3 | 2025-12-19 | — | 16.30% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2007-5198: 1 GLSA(s) (200711-11), 1 atom(s) (net-analyzer/nagios-plugins); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-5198 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2007-5198 |
ubuntu
|
medium | CVE-2007-5198 medium priority: Ubuntu including 1 source packages (nagios-plugins), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 5. | https://ubuntu.com/security/CVE-2007-5198 |