Memory leak in racoon/proposal.c in the racoon daemon in ipsec-tools before 0.7.1 allows remote authenticated users to cause a denial of service (memory consumption) via invalid proposals.
Conclusion & alert: CVE-2008-3651 is rated Moderate Risk (46.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.39%). 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 | 2026-04-14 | 5.06% | 4.39% | -0.67% |
| 2 | 2025-12-01 | 5.97% | 5.06% | -0.91% |
| 3 | 2025-04-28 | — | 5.97% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2008-3651: 1 GLSA(s) (200812-03), 1 atom(s) (net-firewall/ipsec-tools); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-3651 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-3651 |
ubuntu
|
low | CVE-2008-3651 low priority: Ubuntu including 1 source packages (ipsec-tools), 5 status rows across 5 suites (dapper, feisty, gutsy, hardy, upstream): released 5. | https://ubuntu.com/security/CVE-2008-3651 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux | ipsec_tools_racoon_daemon | 0.2.2 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.2.2:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.2.5 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.2.5:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.3.3 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.3.3:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.5 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.5:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.5.1 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.5.1:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.5.2 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.5.2:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.6 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.6:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.6.4 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.6.4:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.6.5 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.6.5:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.6.6 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.6.6:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.6.7 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.6.7:*:*:*:*:*:*:* |
| linux | ipsec_tools_racoon_daemon | 0.7 | cpe:2.3:a:linux:ipsec_tools_racoon_daemon:0.7:*:*:*:*:*:*:* |