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Vulnerability record · CVE-2008-4748 · published 27 October 2008

CVE-2008-4748: Kvirc improper input validation vulnerability

Kvirc · Kvirc

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.

7.6 CVSS 2.0 High EPSS 8.2% · top 5.3% CWE-20 · Improper input validation
7.6CVSS 2.0 base score
8.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/32410 Vendor Advisory
http://securityreason.com/securityalert/4508
http://www.securityfocus.com/bid/31912
http://www.vupen.com/english/advisories/2008/2926
https://exchange.xforce.ibmcloud.com/vulnerabilities/46114
https://www.exploit-db.com/exploits/6832
http://secunia.com/advisories/32410 Vendor Advisory
http://securityreason.com/securityalert/4508
http://www.securityfocus.com/bid/31912
http://www.vupen.com/english/advisories/2008/2926
https://exchange.xforce.ibmcloud.com/vulnerabilities/46114
https://www.exploit-db.com/exploits/6832

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2010-2451Kvirc vulnerabilityMultiple format string vulnerabilities in the DCC functionality in KVIrc 3.4 and 4.0 have unspecified impact and remote attack vectors.EPSS 2.7%9.3CVE-2010-2452Kvirc path traversal vulnerabilityDirectory traversal vulnerability in the DCC functionality in KVIrc 3.4 and 4.0 allows remote attackers to overwrite arbitrary files via unknown vect…EPSS 4.1%9.3CVE-2008-7070Kvirc code injection vulnerabilityArgument injection vulnerability in the URI handler in KVIrc 3.4.2 Shiny allows remote attackers to execute arbitrary commands via a " (quote) follow…EPSS 5.1%6.5CVE-2010-2785Kvirc vulnerabilityThe IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated use…EPSS 7.6%9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 0.90%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 58%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2008-4748), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.