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CVE-2005-0468
Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based Telnet clients allows remote attackers to execute…
High7.5EPSS 27.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based Telnet clients allows remote attackers to execute arbitrary code via responses that contain a large number of characters that require escaping, which consumers more memory than allocated.
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)
- 27.1% · top 1.9% of all CVEs (4 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
- n/a
Affected products
n/a
- affected n/a
References (18)
- DSA-731 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-224-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-001-telnet.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#341908 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 57755 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 12919 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- CLA-2005:962 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- DSA-703 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 101665 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- MDKSA-2005:061 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- oval:org.mitre.oval:def:9640 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 14745 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2005:327 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2005:330 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 57761 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 20050328 Multiple Telnet Client env_opt_add() Buffer Overflow Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- 101671 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 17899 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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)
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[](https://trackcve.app/cve/CVE-2005-0468)Record last updated .