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Vulnerability record · CVE-2011-5282 · published 21 January 2020

CVE-2011-5282: Mirc information exposure vulnerability

Mirc · Mirc

mIRC prior to 7.22 has a message leak because chopping of outbound messages is mishandled.

5.3 CVSS 3.1 Medium EPSS 1.1% · top 36.3% CWE-200 · Information exposure
5.3CVSS 3.1 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

mIRC prior to 7.22 has a message leak because chopping of outbound messages is mishandled.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

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

References

LinkTags
http://www.mirc.com/news.html Release NotesVendor Advisory
http://www.mirc.com/news.html Release NotesVendor Advisory

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Related vulnerabilities

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

9.3CVE-2008-4449Mirc memory buffer overflow vulnerabilityStack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message.EPSS 39%9.3CVE-2003-1336Mirc memory buffer overflow vulnerabilityBuffer overflow in mIRC before 6.11 allows remote attackers to execute arbitrary code via a long irc:// URL.EPSS 36%8.1CVE-2019-6453mIRC URI handler argument injection enables remote command executionmIRC before 7.55 mishandles custom URI protocol handlers, allowing argument injection via an irc:// URI that points to an attacker-controlled .ini fi…EPSS 54%analysed7.5CVE-2008-7314Mirc uncontrolled resource consumption vulnerabilitymIRC before 6.35 allows attackers to cause a denial of service (crash) via a long nickname.EPSS 1.3%6.8CVE-2007-4402Mirc vulnerabilityMultiple unspecified scripts in mIRC allow user-assisted remote attackers to execute arbitrary code via the '|' (pipe) shell metacharacter in the nam…EPSS 3.2%4.3CVE-2003-1508Mirc memory buffer overflow vulnerabilityBuffer overflow in mIRC 6.12, when the DCC get dialog window has been minimized and the user opens the minimized window, allows remote attackers to c…EPSS 2.1%5.9CVE-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%analysed7.5CVE-2026-20133Cisco Catalyst SD-WAN Manager insufficient file system restrictions expose dataCisco Catalyst SD-WAN Software has insufficient file system restrictions that let an attacker read sensitive files on the underlying operating system…KEVEPSS 32%analysed

Source: NIST National Vulnerability Database (record CVE-2011-5282), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.