CVE-2012-1836

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-03-22 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.

Affected products

Inspircd: 2.0.5

References

http://osvdb.org/80263
http://secunia.com/advisories/48474
http://www.debian.org/security/2012/dsa-2448
http://www.kb.cert.org/vuls/id/212651
http://www.securityfocus.com/bid/52561
https://exchange.xforce.ibmcloud.com/vulnerabilities/74157
https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4
http://osvdb.org/80263
http://secunia.com/advisories/48474
http://www.debian.org/security/2012/dsa-2448
http://www.kb.cert.org/vuls/id/212651
http://www.securityfocus.com/bid/52561

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