Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame.
Conclusion & alert: CVE-2007-3762 is rated Moderate Risk (64.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.51%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 10.20% | 5.51% | -4.69% |
| 2 | 2026-03-06 | 9.84% | 10.20% | +0.35% |
| 3 | 2025-03-30 | — | 9.84% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
high | CVE-2007-3762 high priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. | https://security-tracker.debian.org/tracker/CVE-2007-3762 |
gentoo
|
high | CVE-2007-3762: 1 GLSA(s) (200802-11), 1 atom(s) (net-misc/asterisk); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-3762 |
ubuntu
|
medium | CVE-2007-3762 medium priority: Ubuntu including 1 source packages (asterisk), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 6, ignored 3. | https://ubuntu.com/security/CVE-2007-3762 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| asterisk | asterisk | 1.0 | cpe:2.3:a:asterisk:asterisk:1.0:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.6 | cpe:2.3:a:asterisk:asterisk:1.0.6:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.7 | cpe:2.3:a:asterisk:asterisk:1.0.7:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.8 | cpe:2.3:a:asterisk:asterisk:1.0.8:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.9 | cpe:2.3:a:asterisk:asterisk:1.0.9:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.10 | cpe:2.3:a:asterisk:asterisk:1.0.10:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.11 | cpe:2.3:a:asterisk:asterisk:1.0.11:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.0.12 | cpe:2.3:a:asterisk:asterisk:1.0.12:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.0_beta1 | cpe:2.3:a:asterisk:asterisk:1.2.0_beta1:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.0_beta2 | cpe:2.3:a:asterisk:asterisk:1.2.0_beta2:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.5 | cpe:2.3:a:asterisk:asterisk:1.2.5:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.6 | cpe:2.3:a:asterisk:asterisk:1.2.6:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.7 | cpe:2.3:a:asterisk:asterisk:1.2.7:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.8 | cpe:2.3:a:asterisk:asterisk:1.2.8:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.9 | cpe:2.3:a:asterisk:asterisk:1.2.9:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.10 | cpe:2.3:a:asterisk:asterisk:1.2.10:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.11 | cpe:2.3:a:asterisk:asterisk:1.2.11:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.12 | cpe:2.3:a:asterisk:asterisk:1.2.12:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.13 | cpe:2.3:a:asterisk:asterisk:1.2.13:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.14 | cpe:2.3:a:asterisk:asterisk:1.2.14:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.15 | cpe:2.3:a:asterisk:asterisk:1.2.15:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.16 | cpe:2.3:a:asterisk:asterisk:1.2.16:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.2.17 | cpe:2.3:a:asterisk:asterisk:1.2.17:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.4.1 | cpe:2.3:a:asterisk:asterisk:1.4.1:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.4.2 | cpe:2.3:a:asterisk:asterisk:1.4.2:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.4.4_2007-04-27 | cpe:2.3:a:asterisk:asterisk:1.4.4_2007-04-27:*:*:*:*:*:*:* |
| asterisk | asterisk | 1.4_beta | cpe:2.3:a:asterisk:asterisk:1.4_beta:*:*:*:*:*:*:* |
| asterisk | asterisk | a | cpe:2.3:a:asterisk:asterisk:a:*:business:*:*:*:*:* |
| asterisk | asterisk | b.1.3.2 | cpe:2.3:a:asterisk:asterisk:b.1.3.2:*:business:*:*:*:*:* |
| asterisk | asterisk | b.1.3.3 | cpe:2.3:a:asterisk:asterisk:b.1.3.3:*:business:*:*:*:*:* |
| asterisk | asterisk | b.2.2.0 | cpe:2.3:a:asterisk:asterisk:b.2.2.0:*:business:*:*:*:*:* |
| asterisk | asterisk_appliance_developer_kit | <= 0.4 | cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* |
| asterisk | asterisknow | beta_5 | cpe:2.3:a:asterisk:asterisknow:beta_5:*:*:*:*:*:*:* |
| asterisk | asterisknow | beta_6 | cpe:2.3:a:asterisk:asterisknow:beta_6:*:*:*:*:*:*:* |
| asterisk | s800i_appliance | 1.0 | cpe:2.3:h:asterisk:s800i_appliance:1.0:*:*:*:*:*:*:* |
| asterisk | s800i_appliance | 1.0.1 | cpe:2.3:h:asterisk:s800i_appliance:1.0.1:*:*:*:*:*:*:* |