CVE-2007-3762

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.

Published: 2007-07-18 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2007-3762

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3762

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-3762

OS Trackers for CVE-2007-3762

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

Affected software / configurations for 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:*:*:*:*:*:*:*

References for CVE-2007-3762

cvelogic Threat Intelligence