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Vulnerability record · CVE-2013-6413 · published 19 May 2014

CVE-2013-6413: Unrealircd vulnerability

Unrealircd · Unrealircd

Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (crash) via unspecified vectors. NOTE: this identifier was SPLIT per ADT2 due to different vulnerability types. CVE-2013-7384 was assigned for the NULL pointer dereference.

5.0 CVSS 2.0 Medium EPSS 2.4% · top 16.8% CWE-399 · CWE-399
5.0CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (crash) via unspecified vectors. NOTE: this identifier was SPLIT per ADT2 due to different vulnerability types. CVE-2013-7384 was assigned for the NULL pointer dereference.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

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

References

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Related vulnerabilities

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

8.1CVE-2016-7144Unrealircd improper authentication vulnerabilityThe m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate finge…EPSS 1.3%7.5CVE-2023-50784Unrealircd classic buffer overflow vulnerabilityA buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sendi…EPSS 1.9%7.5CVE-2010-2075UnrealIRCd backdoor in DEBUG3_DOLOG_SYSTEM macro allows remote command executionUnrealIRCd 3.2.8.1 distributed from certain mirror sites between November 2009 and June 2010 contained an externally introduced Trojan Horse modifica…EPSS 84%analysed6.8CVE-2009-4893Unrealircd memory buffer overflow vulnerabilityBuffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is enabled, allows remote attackers to cause a denial of service …EPSS 2.5%5.5CVE-2017-13649Unrealircd vulnerabilityUnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary pro…EPSS 0.28%5.0CVE-2013-7384Unrealircd vulnerabilityUnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors, …EPSS 2.4%8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed5.9CVE-2018-0180Cisco IOS Login Block feature denial-of-service via crafted login attemptsMultiple flaws in the Login Enhancements (Login Block) feature of Cisco IOS Software let an unauthenticated remote attacker trigger a reload of the d…KEVEPSS 4.9%analysed

Source: NIST National Vulnerability Database (record CVE-2013-6413), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.