CVE-2008-4748

Exp

Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string specifiers in the irc:// URI.

Published: 2008-10-27 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4748 is rated High Exploit Risk (75.2/100): CVSS High severity, with high exploitation likelihood (EPSS 13.80%, 94th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2008-4748

EDB-ID Source Kind Published Link
6832 exploit_db edb 2008-10-24 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-4748

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 2025-12-18 16.87% 13.80% -3.07%
2 2025-12-17 17.77% 16.87% -0.90%
3 2025-10-27 — 17.77% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4748

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/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:H)
Exploitation requires uncommon or highly specific conditions.
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.
 4.9 10.0 [email protected]

Weakness enumeration for CVE-2008-4748

OS Trackers for CVE-2008-4748

vendor priority summary link
debian unimportant CVE-2008-4748 unimportant priority: Debian including 1 source packages (kvirc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2008-4748
ubuntu low CVE-2008-4748 low priority: Ubuntu including 1 source packages (kvirc), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 4, ignored 2, released 1. https://ubuntu.com/security/CVE-2008-4748

Affected software / configurations for CVE-2008-4748

Vendor Product Version Raw CPE
kvirc kvirc 3.4.0 cpe:2.3:a:kvirc:kvirc:3.4.0:*:*:*:*:*:*:*

References for CVE-2008-4748

cvelogic Threat Intelligence