CVE-2005-3863

Stack-based buffer overflow in kkstrtext.h in ktools library 0.3 and earlier, as used in products such as (1) centericq, (2) orpheus, (3) motor, and (4) groan, allows local users or remote attackers to execute arbitrary code via a long parameter to the VGETSTRING macro.

Published: 2005-11-29 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3863 is rated Moderate Risk (59.9/100): CVSS High severity, with high exploitation likelihood (EPSS 5.16%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2005-3863

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 7.26% 5.16% -2.10%
2 2025-03-30 6.39% 7.26% +0.87%
3 2025-03-29 — 6.39% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3863

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-3863

OS Trackers for CVE-2005-3863

vendor priority summary link
gentoo normal CVE-2005-3863: 2 GLSA(s) (200512-11, 200608-27), 2 atom(s) (dev-util/motor, net-im/centericq); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-3863
ubuntu medium CVE-2005-3863 medium priority: Ubuntu including 4 source packages (centericq, centerim, motor, orpheus), 36 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 18, DNE 11, needs-triage 4, ignored 3. https://ubuntu.com/security/CVE-2005-3863

Affected software / configurations for CVE-2005-3863

Vendor Product Version Raw CPE
ktools ktools <= 0.3 cpe:2.3:a:ktools:ktools:*:*:*:*:*:*:*:*

References for CVE-2005-3863

URL Tags
http://secunia.com/advisories/17768 Vendor Advisory
http://secunia.com/advisories/18081 Patch Vendor Advisory
http://secunia.com/advisories/20329 Vendor Advisory
http://secunia.com/advisories/20368 Patch Vendor Advisory
http://secunia.com/advisories/20446 Patch Vendor Advisory
http://secunia.com/advisories/21684 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200512-11.xml
http://security.gentoo.org/glsa/glsa-200608-27.xml
http://www.debian.org/security/2006/dsa-1083 Patch Vendor Advisory
http://www.debian.org/security/2006/dsa-1088 Patch Vendor Advisory
http://www.osvdb.org/21161
http://www.securityfocus.com/archive/1/417906/100/0/threaded
http://www.securityfocus.com/bid/15600
http://www.vupen.com/english/advisories/2005/2605 Vendor Advisory
http://www.vupen.com/english/advisories/2006/2062 Vendor Advisory
http://www.zone-h.org/en/advisories/read/id=8480/ Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/23233
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