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CVE-2012-1836
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…
High7.5EPSS 6.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 6.7% · top 6.0% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 52561 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 80263 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- DSA-2448 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- inspircd-dns-bo(74157) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 48474 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#212651 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-1836)Record last updated .