Vulnerability-Lookup

GHSA-QVFM-56CP-4988

Vulnerability from github – Published: 2026-03-13 21:31 – Updated: 2026-03-18 15:30

Details

telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.

Severity ?

9.8 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-32746"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-13T19:55:10Z",
    "severity": "CRITICAL"
  },
  "details": "telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.",
  "id": "GHSA-qvfm-56cp-4988",
  "modified": "2026-03-18T15:30:42Z",
  "published": "2026-03-13T21:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32746"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jeffaf/cve-2026-32746"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/03/12/4"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/03/14/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-32746 (GCVE-0-2026-32746)

Vulnerability from cvelistv5 – Published: 2026-03-13 17:15 – Updated: 2026-03-18 13:56

Summary

telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.

Severity ?

9.8 (Critical)


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

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mitre

References

URL

Tags

	https://www.openwall.com/lists/oss-security/2026/…
	https://lists.gnu.org/archive/html/bug-inetutils/…

Impacted products

	Vendor	Product	Version
	GNU	inetutils	Affected: 0 , ≤ 2.7 (custom)

Show details on NVD website

JSON

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          "dateUpdated": "2026-03-14T02:55:48.456Z",
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        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/03/14/1"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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              "content": {
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                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-18T13:56:26.757834Z",
                "version": "2.0.3"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-QVFM-56CP-4988

CVE-2026-32746 (GCVE-0-2026-32746)

Tags

Sightings

Nomenclature