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CVE-2012-6696

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This...

9.8 CriticalFix available

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.62%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
CVE-2012-6696
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
CVE-2012-6696
Updated
2026-11-02
EUVDEUVD-2012-6538 No score

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
EUVD-2012-6538
Updated
2026-11-03
GitHub AdvisoriesGHSA-67r3-xhrr-46h9 9.8

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This...

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
GHSA-67r3-xhrr-46h9
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 9.8

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
CVE-2012-6696
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2012-6696 9.8

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
DEBIAN-CVE-2012-6696
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2012-6696 9.8

inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists because of an incomplete fix to CVE-2012-1836.

Record
UBUNTU-CVE-2012-6696
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
inspircd
Debian:12
 before 2.0.16-1
2.0.16-1
inspircd
Debian:13
 before 2.0.16-1
2.0.16-1
inspircd
Debian:6.0
From an advisory covering 3 CVEs
 before 1.1.22+dfsg-4+squeeze2, plus listed versions
1.1.22+dfsg-41.1.22+dfsg-4+squeeze1
1.1.22+dfsg-4+squeeze2
inspircd
Debian:7
From an advisory covering 3 CVEs
 before 2.0.5-1+deb7u1, plus listed versions
2.0.5-1
2.0.5-1+deb7u1
inspircd
Ubuntu:14.04:LTS
 before 2.0.5-1+deb7u1build0.14.04.1, plus listed versions
2.0.5-1
2.0.5-1+deb7u1build0.14.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-6696 is a critical vulnerability (CVSS 9.8) in Inspircd, published April 15, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. Fixed in inspircd 2.0.16-1.

References

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