CVE-2012-1836

high

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.

References

https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4

https://exchange.xforce.ibmcloud.com/vulnerabilities/74157

https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1846

http://www.securityfocus.com/bid/52561

http://www.kb.cert.org/vuls/id/212651

http://www.debian.org/security/2012/dsa-2448

http://secunia.com/advisories/48474

http://osvdb.org/80263

Details

Source: Mitre, NVD

Published: 2012-03-22

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.8

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