mirc vulnerabilities and fixes

Recent CVEs affecting mirc, with upgrade or downgrade steps. 3 tracked.

mirc has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2020-01-23. Highest priority: CVE-2019-6453 (score 63/100).

• CVE-2019-6453 HIGH 8.1 UPGRADE mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handl
• CVE-2011-5282 MEDIUM 5.3 UPGRADE mIRC prior to 7.22 has a message leak because chopping of outbound messages is mishandled.
• CVE-2008-7314 HIGH 7.5 UPGRADE mIRC before 6.35 allows attackers to cause a denial of service (crash) via a long nickname.

FAQ

How do I fix mirc vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is mirc being exploited right now?

None of the tracked mirc CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which mirc CVE should I patch first?

CVE-2019-6453 currently ranks highest (63/100): mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handl.

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