CVE-2007-5031

The TSrvOptIA_NA::rebind method in SrvOptions/SrvOptIA_NA.cpp in Dibbler 0.6.0 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via an invalid IA_NA option in a REBIND message.

Published: 2007-09-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-5031 is rated Moderate Risk (46.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.75%). 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-2007-5031

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 1.19% 1.75% +0.55%
2 2025-03-30 1.55% 1.19% -0.36%
3 2025-03-29 — 1.55% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-5031

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-5031

OS Trackers for CVE-2007-5031

vendor priority summary link
debian low CVE-2007-5031 low priority: Debian including 1 source packages (dibbler), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2007-5031
ubuntu medium CVE-2007-5031 medium priority: Ubuntu including 1 source packages (dibbler), 6 status rows across 6 suites (dapper, edgy, feisty, gutsy, hardy, upstream): released 3, ignored 2, DNE 1. https://ubuntu.com/security/CVE-2007-5031

Affected software / configurations for CVE-2007-5031

Vendor Product Version Raw CPE
dibbler dibbler 0.6.0 cpe:2.3:a:dibbler:dibbler:0.6.0:*:*:*:*:*:*:*

References for CVE-2007-5031

cvelogic Threat Intelligence