CVE-2007-3115

Multiple memory leaks in server/MaraDNS.c in MaraDNS before 1.2.12.06, and 1.3.x before 1.3.05, allow remote attackers to cause a denial of service (memory consumption) via (1) reverse lookups or (2) requests for records in a class other than Internet (IN), a different set of affected versions than CVE-2007-3114 and CVE-2007-3116.

Published: 2007-06-07 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-3115 is rated Moderate Risk (61/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.47%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2007-3115

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 2026-01-24 2.38% 2.47% +0.10%
2 2025-07-02 2.09% 2.38% +0.29%
3 2025-03-19 2.09%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3115

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2007-3115

OS Trackers for CVE-2007-3115

vendor priority summary link
debian not yet assigned CVE-2007-3115 not yet assigned priority: Debian including 1 source packages (maradns), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2007-3115
ubuntu medium CVE-2007-3115 medium priority: Ubuntu including 1 source packages (maradns), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, ignored 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-3115

Affected software / configurations for CVE-2007-3115

Vendor Product Version Raw CPE
maradns maradns 1.2.12.01 cpe:2.3:a:maradns:maradns:1.2.12.01:*:*:*:*:*:*:*
maradns maradns 1.2.12.02 cpe:2.3:a:maradns:maradns:1.2.12.02:*:*:*:*:*:*:*
maradns maradns 1.2.12.03 cpe:2.3:a:maradns:maradns:1.2.12.03:*:*:*:*:*:*:*
maradns maradns 1.2.12.04 cpe:2.3:a:maradns:maradns:1.2.12.04:*:*:*:*:*:*:*
maradns maradns 1.2.12.05 cpe:2.3:a:maradns:maradns:1.2.12.05:*:*:*:*:*:*:*
maradns maradns 1.3.01 cpe:2.3:a:maradns:maradns:1.3.01:*:*:*:*:*:*:*
maradns maradns 1.3.02 cpe:2.3:a:maradns:maradns:1.3.02:*:*:*:*:*:*:*
maradns maradns 1.3.03 cpe:2.3:a:maradns:maradns:1.3.03:*:*:*:*:*:*:*
maradns maradns 1.3.04 cpe:2.3:a:maradns:maradns:1.3.04:*:*:*:*:*:*:*

References for CVE-2007-3115

cvelogic Threat Intelligence